Pesquisa | SciELO

ABSTRACT. Management systems that include trees tend to provide higher amounts of plant biomass to the soil, contributing to the increase in carbon (C) and nitrogen (N) stocks. This study simulated C and N stocks and their compartments in a crop-livestock-forest integration system in the edafoclimatic conditions of the Maranhão Cerrado using the Century 4.5 model. The evaluated areas were native Cerrado vegetation (NV) and crop-livestock-forest integration (CLFI). The calibration process gradually modified the model parameters to better fit the simulated and observed soil C and N stocks. The best fit between the data was obtained after changes in the main parameters (DEC3(2), DEC4, and DEC5) that controlled the rate of decomposition of soil organic matter. C and N stocks increased by 14% and 15%, respectively, over 14 years after replacing NV with CLFI. The slow compartment of C presented greater sensitivity to changes in management, with an increase of 47% compared with that of NV. The active compartment increased by 31% and the passive compartment remained constant for over 14 years. Future scenarios, where pasture was maintained between the eucalyptus trees and the scenario that allowed the soybean, corn, and Brachiaria rotation between the trees, were more effective, accumulating approximately 37 Mg C ha-1. The continuous contribution of residues from the trees and pasture increased C and N stocks in the long-term in the slow fraction, where the total organic carbon increased from 32 to 36 Mg ha-1 when NV was replaced with CLFI. The model predicted the C and N stocks with accuracies ranging from 1 to 11% of the observed values. ABSTRACT (C (N croplivestockforest crop livestock forest 45 4 5 4. (NV CLFI . (CLFI) DEC32, DEC32 DEC DEC3 2 , (DEC3(2) DEC4 DEC5 matter 15 15% respectively management 47 31 scenarios soybean corn effective 3 ha1. ha1 ha 1. longterm long term fraction ha- 11 values (CLFI (DEC3(2 (DEC3( (DEC3 (DEC

https://doi.org/10.4025/actasciagron.v46i1.62574

Care for bedridden patients, in Primary Health Care dentistry, in the peripheral region of São Paulo, Brazil patients dentistry Paulo
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Abrante, Bruno Lucena Antunes

; Sanches, Célia Regina

; Munhoz, Luciana

; Silva, Henrique Aparecido Bueno da

; Silva, Josevan de Souza

; Freitas, Cláudio Fróes de

RGO - Revista Gaúcha de Odontologia

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2024, Volume 72 elocation e20240028

Resumo: Pt En | Texto: Pt En | PDF: Pt | PDF: En

RESUMO Objetivo: Onde o objetivo é descrever as ações e atividades desenvolvidas pelo cirurgião-dentista nas visitas domiciliares. Métodos: A experiência ocorreu em visitas aos usuários da Unidade Básica de Saúde UBS Vila São Pedro no Município de São Bernardo do Campo, região periférica e de muita vulnerabilidade socioeconômica, sendo registrado os períodos de janeiro a dezembro de 2022. As ações e atividades descritas foram catalogadas como níveis básicos na atenção à saúde: promoção, prevenção e diagnóstico de lesões de tecidos moles e limitação de dano. Os dentistas realizaram 84 visitas domiciliares no propósito de oferecer os cuidados em saúde bucal aos usuários restritos ao leito, as ações e atividade de promoção em saúde basearam-se no estímulo à prática de hábitos saudáveis, conscientizando os cuidadores dos pacientes acamados, a importância da higiene oral, e como deveria ser realizado os cuidados na cavidade bucal desses pacientes onde os mesmos não possuem mais a capacidade o autocuidado. Resultados: As ações de prevenção foram instrução de higiene oral principalmente orientado os cuidados do paciente restrito de movimentos e que depende de um cuidador para realizar a higiene bucal, escovação ou higienização com gaze embebida com clorexidina a 0,12%, e aplicação tópica de flúor aos pacientes que ainda apresentam elementos dentários. As demais ações de limitação de danos bucais já pré-existentes foram extrações de dentárias com envolvimento periodontal. Conclusão: Sendo assim, os dentistas nas visitas domiciliares assumem um fundamental papel de promoverem qualidade de vida, e social aos pacientes que não podem ir até a uma Unidade Básica de Saúde por estarem restritos de forma transitória os permanentemente restritos ao domicílio. Objetivo cirurgiãodentista cirurgião dentista Métodos Campo socioeconômica 2022 dano 8 leito basearamse basearam se saudáveis acamados autocuidado Resultados 012 0 12 0,12% dentários préexistentes pré existentes periodontal Conclusão assim vida domicílio 202 01 1 0,12 20 0,1 2 0,

ABSTRACT Objective: The objective is to describe the actions and activities carried out by the dentist during home visits. Methods: The experience took place during visits to users of the Basic Health Unit UBS Vila São Pedro in the Municipality of São Bernardo do Campo, a peripheral region with a lot of socioeconomic vulnerability, recording the periods from January to December 2022. The actions and activities described were cataloged as basic levels in health care: promotion, prevention, and diagnosis of soft tissue injuries and damage limitation. Dentists carried out 84 home visits with the purpose of offering oral health care to users restricted to bed, health promotion actions and activities were based on encouraging the practice of healthy habits, making caregivers of bedridden patients aware of the importance of oral hygiene, and how care should be carried out in the oral cavity of these patients where they no longer have the capacity for self-care. Results: The prevention actions were oral hygiene instruction mainly aimed at caring for patients who have restricted movements and who depend on a caregiver to perform oral hygiene, brushing or cleaning with gauze soaked with 0.12% chlorhexidine, and topical application of fluoride to the patients who still have dental elements. The other actions to limit pre-existing oral damage were tooth extractions with periodontal involvement. Conclusion: Therefore, dentist-in-home visits play a fundamental role in promoting quality of life and social life for patients who cannot go to a Basic Health Unit due to being temporarily restricted or permanently restricted to their home. Objective Methods Campo vulnerability 2022 limitation 8 bed habits selfcare. selfcare self care. self-care Results 012 0 12 0.12 chlorhexidine elements preexisting pre existing involvement Conclusion Therefore dentistinhome 202 01 1 0.1 20 0. 2

https://doi.org/10.1590/1981-86372024002820230079

Delayed winter pruning in ‘Chardonnay’ and ‘Pinot Noir’ (Vitis vinifera L.) in Serra Gaúcha – an alternative for late frost? ‘Chardonnay Chardonnay Pinot Noir Vitis L. L frost
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Rosa, Aline Mabel

; Benati, Mikael Márcio

; Souza, Daniel Antunes

; Fialho, Flávio Bello

; Marodin, Gilmar Arduino Bettio

; Santos, Henrique Pessoa dos

Revista Brasileira de Fruticultura

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2024, Volume 46 elocation e-190

Resumo: Pt En | Texto: Pt En | PDF: Pt | PDF: En

Resumo: A utilização de variedades de brotação precoce em regiões com ocorrência de geadas tardias pode restringir a produção em alguns ciclos. Como a brotação tem início nas gemas apicais, o atraso da poda hibernal pode ser uma estratégia de manejo para minimizar-se este risco. Este trabalho teve como objetivos avaliar os efeitos de diferentes datas de poda durante a transição inverno/primavera, em ‘Chardonnay’ e ‘Pinot Noir’ (Vitis vinifera L.) sobre os componentes de rendimento. A condução das plantas foi em espaldeira, com podas em cordão esporonado (esporão com duas gemas), realizadas de julho a outubro, em intervalos de 15 dias. As podas efetuadas após o início de setembro, quando as brotações apicais já apresentavam mais de três folhas expandidas,promoveram uma redução expressiva (90%) na produção por planta. Essa redução foi diretamente associada à necrose dos cones primários nas gemas da base dossarmentos, o que estimulou a brotação de gemas secundárias ou terciárias, que nãoapresentam cachos. O atraso da poda hibernal pode ser uma opção para ‘Chardonnay’ e ‘Pinot Noir’, mas o desenvolvimento das brotações apicais deve ser limitado a 2-3 folhas expandidas, para evitar perdas na produção. Resumo ciclos minimizarse minimizar se risco invernoprimavera inverno primavera inverno/primavera ‘Chardonnay Chardonnay Pinot Noir Vitis L. L rendimento espaldeira esporão gemas, , gemas) outubro 1 dias setembro expandidaspromoveram expandidas promoveram 90% 90 (90% planta dossarmentos terciárias cachos Noir, 23 2 3 2- 9 (90 (9 (

Abstract: The use of early budding varieties in regions prone to late frosts may limit production in certain cycles. Since budburst begins in the apical buds, delaying winter pruning can be a management strategy to minimize frost risk. This study aimed to evaluate the effects of different pruning dates during the winter/spring transition in ‘Chardonnay’ and ‘Pinot Noir’ (Vitis vinifera L.) on yield components. Plants were trained using the I-trellis system, and pruned at 15-day intervals from July to October, using cordon spur pruning (two-bud spurs). Pruning conducted after the beginning of September, when apical shoots had more than three expanded leaves, significantly reduced (90%) the yield per plant. This reduction was directly associated with necrosis of primary buds in the base of canes, which stimulated sprouting of secondary or tertiary buds, which do not bear clusters. Delaying winter pruning could be an option for ‘Chardonnay’ and ‘Pinot Noir’, but apical shoot development should be limited to 2-3 expanded leaves, in order to avoid production losses. Abstract cycles risk winterspring spring ‘Chardonnay Chardonnay Pinot Noir Vitis L. L components Itrellis I trellis system 15day day 15 October twobud two bud spurs. spurs . spurs) September leaves 90% 90 (90% plant canes clusters Noir, , 23 2 3 2- losses 1 9 (90 (9 (

https://doi.org/10.1590/0100-29452024190

Forage and macronutrient accumulation in grass-legume intercropping in a warm climate grasslegume grass legume
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Mesquita, Antonia Marta Sousa de

; Pompeu, Roberto Cláudio Fernandes Franco

; Cândido, Magno José Duarte

; Lopes, Marcos Neves

; Rogério, Marcos Cláudio Pinheiro

; Feitosa, Tibério Sousa

; Andrade, Hosana Aguiar Freitas de

; Almeida, Hilário de Júnior

; Souza, Henrique Antunes de

Revista Brasileira de Ciência do Solo

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2024, Volume 48 elocation e0230141

Resumo: En | Texto: En | PDF: En

ABSTRACT Diversifying pastures with forage legumes may reduce nitrogen fertilization due to biological N fixation. This study aimed to quantify forage accumulation rate and macronutrients extraction and to identify the best intercropping combination between butterfly pea (Clitoria ternatea) – a legume, and three warm-season forage grasses of different growth habits (signalgrass – Urochloa decumbunes, Guinea grass - Mega thyrsus maximus, and bermudagrass Cynodon dactylon). Treatments consisted of mixes of perennial herbaceous legume, butterfly pea (twining stem), with grasses, signalgrass (decumbent stem) and Guinea grass (erect stem), and bermudagrass (stoloniferous/rhizomatous). The experiment was arranged in a randomized complete block design, with three treatments and three replications. There was interaction between the intercropping combinations and cutting cycles for forage accumulation rate (FAR) and N, P, K, Ca, Mg, and S uptake. Phosphorus and K uptake was reduced from the second cycle onwards, except for the signalgrass-butterfly pea intercropping, whose reduction was only from the third cycle. Conversely, the signalgrass-butterfly pea and bermudagrass-butterfly pea intercropping did not differ from each other in relation to total N concentration in soil, but the signalgrass-butterfly pea intercropping showed total N concentration in soil higher than that of Guinea grass-butterfly pea intercropping. A higher predominance of the N-NH4+ form was observed in the soil. Grass-legume intercropping increased the demand for nutrients, which makes it indispensable to verify the export of macronutrients to know when to supply these nutrients removed from the soil solution. fixation Clitoria ternatea legume warmseason warm season decumbunes maximus dactylon. dactylon . dactylon) twining stem, stem , decumbent erect stoloniferous/rhizomatous. stoloniferousrhizomatous stoloniferous/rhizomatous stoloniferous rhizomatous (stoloniferous/rhizomatous) design replications FAR (FAR P Ca Mg onwards signalgrassbutterfly Conversely bermudagrassbutterfly grassbutterfly NNH4+ NNH4 NNH NH4+ NH4 NH N-NH4 Grasslegume Grass solution (stoloniferous/rhizomatous N-NH

https://doi.org/10.36783/18069657rbcs20230141

Diretriz de Tomografia Computadorizada e Ressonância Magnética Cardiovascular da Sociedade Brasileira de Cardiologia e do Colégio Brasileiro de Radiologia – 2024 202 20 2
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Magalhães, Tiago Augusto

; Carneiro, Adriano Camargo de Castro

; Moreira, Valéria de Melo

; Trad, Henrique Simão

; Lopes, Marly Maria Uellendahl

; Cerci, Rodrigo Julio

; Nacif, Marcelo Souto

; Schvartzman, Paulo R.

; Chagas, Antônio Carlos Palandrini

; Costa, Isabela Bispo Santos da Silva

; Schmidt, André

; Shiozaki, Afonso Akio

; Montenegro, Sérgio Tavares

; Piegas, Leopoldo Soares

; Zapparoli, Marcelo

; Nicolau, José Carlos

; Fernandes, Fabio

; Hadlich, Marcelo Souza

; Ghorayeb, Nabil

; Mesquita, Evandro Tinoco

; Gonçalves, Luiz Flávio Galvão

; Ramires, Felix José Alvarez

; Fernandes, Juliano de Lara

; Schwartzmann, Pedro Vellosa

; Rassi, Salvador

; Torreão, Jorge Andion

; Mateos, José Carlos Pachón

; Beck-da-Silva, Luiz

; Silva, Marly Conceição

; Liberato, Gabriela

; Oliveira, Gláucia Maria Moraes de

; Feitosa Filho, Gilson Soares

; Carvalho, Hilka dos Santos Moraes de

; Markman Filho, Brivaldo

; Rocha, Ricardo Paulo de Sousa

; Azevedo Filho, Clerio Francisco de

; Taratsoutchi, Flávio

; Coelho-Filho, Otavio Rizzi

; Kalil Filho, Roberto

; Hajjar, Ludhmila Abrahão

; Ishikawa, Walther Yoshiharu

; Melo, Cíntia Acosta

; Jatene, Ieda Biscegli

; Albuquerque, Andrei Skromov de

; Rimkus, Carolina de Medeiros

; Silva, Paulo Savoia Dias da

; Vieira, Thiago Dieb Ristum

; Jatene, Fabio Biscegli

; Azevedo, Guilherme Sant Anna Antunes de

; Santos, Raul D.

; Monte, Guilherme Urpia

; Ramires, José Antonio Franchini

; Bittencourt, Marcio Sommer

; Avezum, Alvaro

; Silva, Leonardo Sara da

; Abizaid, Alexandre

; Gottlieb, Ilan

; Precoma, Dalton Bertolim

; Szarf, Gilberto

; Sousa, Antônio Carlos Sobral

; Pinto, Ibraim Masciarelli Francisco

; Medeiros, Fábio de Morais

; Caramelli, Bruno

; Parga Filho, José Rodrigues

; Santos, Tiago Senra Garcia dos

; Prazeres, Carlos Eduardo Elias dos

; Lopes, Marcelo Antonio Cartaxo Queiroga

; Avila, Luiz Francisco Rodrigues de

; Scanavacca, Mauricio Ibrahim

; Gowdak, Luis Henrique Wolff

; Barberato, Silvio Henrique

; Nomura, Cesar Higa

; Rochitte, Carlos Eduardo

Arquivos Brasileiros de Cardiologia

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2024, Volume 121 Nº 9 elocation e20240608

Resumo: Pt | Texto: Pt | PDF: Pt

https://doi.org/10.36660/abc.20240608

Critical levels and fertility classes of soils with high-activity clay in the Brazilian semi-arid region highactivity high activity semiarid semi arid
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Souza, Henrique Antunes de

; Lima Neto, Antonio João de

; Pompeu, Roberto Cláudio Fernandes Franco

; Guedes, Fernando Lisboa

; Tonucci, Rafael Gonçalves

; Cavalcante, Ana Clara Rodrigues

; Natale, William

; Valladares, Gustavo Souza

; Escobar, Maria Eugênia Ortiz

; Rodrigues, Helen Cristina de Arruda

; Andrade, Hosana Aguiar Freitas de

; Oliveira Júnior, José Oscar Lustosa de

; Sagrilo, Edvaldo

Revista Brasileira de Ciência do Solo

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2024, Volume 48 elocation e0230154

Resumo: En | Texto: En | PDF: En

ABSTRACT Soil fertility evaluation is important for adopting conservation management and adequate nutrient supply. The objective of this study was to identify critical levels and soil fertility classes using the boundary line method for rainfed crops (corn, cowpea and sabiá [Mimosa caesalpiniifolia]) in the Brazilian semi-arid region. A database of 226 soil fertility analyses of samples from the 0.00-0.20 m soil layer, and corn, cowpea and sabiá yields from Ceará State was used to generate interpretation classes (at 80 and 95 % of maximum yield). In a scatter plot, soil nutrient concentrations (x-axis) and relative crop yields (y-axis) were correlated, and the border points fitted to a quadratic model. Proposed interpretation classes were classified as very low, low, adequate, high and very high, except for Na+, whose adequate class was considered tolerable. Generated models showed coefficients of determination (R2) for the chemical properties ranging from 0.54 to 0.92. Based on the interpretation classes, the critical level was determined as 6.3 for pH, 10.8 g dm-3 for OM, 20.9 mg dm-3 for P, 81 mg dm-3 for K, 55 mmolc dm-3 for Ca2+, 24 mmolc dm-3 for Mg2+ and 8 mg dm-3 for S-SO42-. Interpretation classes for soils with high-activity clay in the Brazilian semi-arid region were superior to those in the reference literature. Boundary line method established fertility classes and critical levels for soil chemical properties in more than one crop, using the concept of relative yield. supply corn (corn Mimosa caesalpiniifolia caesalpiniifolia] semiarid semi arid 22 0.000.20 000020 0.00 0.20 0 00 20 0.00-0.2 layer at 9 yield . yield) plot xaxis x axis (x-axis yaxis y (y-axis correlated model low Na Na+ tolerable R2 R (R2 054 54 0.5 092 92 0.92 63 6 3 6. pH 108 10 10. dm3 dm dm- OM 209 20. P K 5 Ca2 Ca Ca2+ 2 Mg2 Mg SSO42. SSO42 SSO S SO42 SO S-SO42- highactivity activity literature 000 0.000.2 00002 0.0 020 0.2 0.00-0. (R 05 0. 09 0.9 1 SSO4 SO4 S-SO42 0.000. 0000 02 0.00-0 S-SO4 0.000 0.00- S-SO

https://doi.org/10.36783/18069657rbcs20230154

Characterization of patients treated at a rare disease referral service: a descriptive study, 2016-2021
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Carvalho, Everson Andrade de

; Hopker, Roberto Del Claro

; Pedroso, Gustavo Henrique

; Almeida, Leonardo Silva de

; Pacher, José Alfredo Trevisan

; Antônio, André Lucas Miranda

; Souza, Josiane de

; Zeny, Michelle Silva

; Santos, Mara Lúcia Schmitz Ferreira

; Valle, Daniel Almeida do

; Andrade, Fabiana Antunes

Epidemiologia e Serviços de Saúde

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2024, Volume 33 elocation e20240204

Resumo: En Pt Es | Texto: En Pt Es | PDF: En | PDF: Pt | PDF: Es

Abstract Objective: To analyze the first referral service for rare diseases accredited by the Brazilian Ministry of Health, focusing on referral from the primary healthcare network through to diagnosis. Methods: This is a descriptive study with patients treated between 2016 and 2021 at a referral hospital service located in Curitiba, Paraná, Brazil. Clinical and epidemiological data were obtained from medical records, as were the results of genetic tests at the hospital’s clinical analysis laboratory. Qualitative data were expressed as absolute and relative frequencies, while quantitative data were expressed as medians and interquartile ranges and compared using the Kruskal-Wallis test. Results: The study included 1,751 cases, 34.1% were diagnosed with rare diseases, with average time until diagnosis being 3.0 years, whereby mucopolysaccharidosis type II (4.0%) and tuberous sclerosis (3.9%) were the most common. Greater length of time for obtaining diagnosis (p-value 0.004) and receiving specialized care (p-value<0.001) was found in patients from the interior region of Paraná state, compared to those residing in Curitiba city and its metropolitan region. Conclusion: Diagnosis of rare diseases occurred in approximately one third of cases. The average time until diagnosis suggests a possible positive impact of implementing the referral service. The longer time until diagnosis and specialized care found among patients from the interior region of Paraná represent challenges regarding adequate referral to specialized services.

Resumo Objetivo: Analisar o primeiro serviço de referência em doenças raras credenciado pelo Ministério da Saúde, com foco no encaminhamento desde a rede primária até o diagnóstico. Métodos: Trata-se de um estudo descritivo com pacientes atendimentos entre 2016 e 2021 em serviço hospitalar de referência localizado de Curitiba. Dados clínicos e epidemiológicos foram obtidos de registros médicos e os resultados de exames genéticos do laboratório de análises clínicas do hospital. Dados qualitativos foram expressos como frequência absoluta e relativa, e os quantitativos por mediana e intervalo interquartil e comparados pelo teste Kruskal-Wallis. Resultados: Foram incluídos 1.751 pacientes, 34,1% obtiveram diagnóstico de doenças raras, com tempo médio de 3,0 anos, sendo a mucopolissacaridose tipo II (4,0%) e esclerose tuberal (3,9%) as mais frequentes. Maior tempo até obter diagnóstico (p-valor 0,004) e atendimento especializado (p-valor<0,001) foram observados em pacientes do interior do Paraná, em comparação com aqueles que residem em Curitiba e região metropolitana. Conclusão: O diagnóstico de doenças raras ocorreu em cerca de um terço dos casos. O tempo médio até o diagnóstico sugere possível impacto positivo da implementação do serviço de referência. Maior tempo até o diagnóstico e atendimento especializado observado em pacientes do interior do Paraná representam desafios no encaminhamento adequado para unidades especializadas.

Resumen Objetivo: Analizar el primer servicio de referencia de enfermedades raras acreditado por el Ministerio de Salud, centrándose en la derivación desde la red primaria al diagnóstico. Métodos: Se trata de un estudio descriptivo con pacientes atendidos entre 2016 y 2021 en un servicio hospitalario de referencia ubicado en Curitiba, Paraná, Brasil. Los datos clínicos y epidemiológicos se obtuvieron de los registros médicos y de los resultados de las pruebas genéticas del laboratorio de análisis clínicos del hospital. Los datos cualitativos se expresaron como frecuencias absolutas y relativas, y los datos cuantitativos como mediana y rango intercuartílico y se compararon mediante la prueba de Kruskal-Wallis. Resultados: Se incluyeron 1.751 pacientes, el 34,1% fueron diagnosticados con enfermedades raras, con un tiempo promedio de 3,0 años, siendo las más frecuentes la mucopolisacaridosis tipo II (4,0%) y la esclerosis tuberosa (3,9%). Se observó mayor tiempo para obtener el diagnóstico (valor de p-valor 0,004) y atención especializada (valor de p-valor<0,001) en los pacientes del interior de Paraná, en comparación con los residentes en Curitiba y la región metropolitana. Conclusión: El diagnóstico de enfermedades raras se produjo en aproximadamente un tercio de los casos. El tiempo medio hasta el diagnóstico sugiere un posible impacto positivo de la implementación del servicio de referencia. El mayor tiempo hasta el diagnóstico y la atención especializada observados en pacientes del interior de Paraná representan desafíos en la adecuada derivación a unidades especializadas.

https://doi.org/10.1590/s2237-96222024v33e20240204.en

The SISBIOTA-Diptera Brazilian Network: A long-term survey of Diptera from unexplored Brazilian Western Arc of Amazon, Cerrado, and Pantanal SISBIOTADiptera SISBIOTA Network longterm long term Amazon Cerrado
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Lamas, Carlos José Einicker

; Fachin, Diego Aguilar

; Falaschi, Rafaela Lopes

; Alcantara, Daniel Máximo Correa de

; Ale-Rocha, Rosaly

; Amorim, Dalton de Souza

; Araújo, Maíra Xavier

; Ascendino, Sharlene

; Baldassio, Letícia

; Bellodi, Carolina Ferraz

; Bravo, Freddy

; Calhau, Julia

; Capellari, Renato Soares

; Carmo-Neto, Antonio Marcelino do

; Cegolin, Bianca Melo

; Couri, Márcia Souto

; Carvalho, Claudio José Barros de

; Dios, Rodrigo de Vilhena Perez

; Falcon, Aida Vanessa Gomez

; Fusari, Livia Maria

; Garcia, Carolina de Almeida

; Gil-Azevedo, Leonardo Henrique

; Gomes, Marina Morim

; Graciolli, Gustavo

; Gudin, Filipe Macedo

; Henriques, Augusto Loureiro

; Krolow, Tiago Kütter

; Mendes, Luanna Layla

; Limeira-de-Oliveira, Francisco

; Maia, Valéria Cid

; Marinoni, Luciane

; Mello, Ramon Luciano

; Mello-Patiu, Cátia Antunes de

; Morales, Mírian Nunes

; Oliveira, Sarah Siqueira

; Patiu, Claudemir

; Proença, Barbara

; Pujol-Luz, Cristiane Vieira de Assis

; Pujol-Luz, José Roberto

; Rafael, José Albertino

; Riccardi, Paula Raile

; Rodrigues, João Paulo Vinicios

; Roque, Fabio de Oliveira

; Sallum, Maria Anice Mureb

; Santis, Marcelo Domingos de

; Santos, Charles Morphy Dias dos

; Santos, Josenilson Rodrigues dos

; Savaris, Marcoandre

; Shimabukuro, Paloma Helena Fernandes

; Silva, Vera Cristina

; Schelesky-Prado, Daniel de Castro

; Silva-Neto, Alberto Moreira da

; Camargo, Alexssandro

; Sousa, Viviane Rodrigues de

; Urso-Guimarães, Maria Virginia

; Wiedenbrug, Sofia

; Yamaguchi, Carolina

; Nihei, Silvio Shigueo

Revista Brasileira de Entomologia

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2023, Volume 67 Nº 4 elocation e20230051

Resumo: En | Texto: En | PDF: En

ABSTRACT The SISBIOTA-BRASIL was a three-year multimillion-dollar research program of the Brazilian government to document plants and animals in endangered/understudied areas and biomes in Brazil. Distributional patterns and the historical events that generated them are extensively unknown regarding Brazilian fauna and flora. This deficiency hinders the development of conservation policies and the understanding of evolutionary processes. Conservation decisions depend on precise knowledge of the taxonomy and geographic distribution of species. Given such a premise, we proposed to research the diversity of Diptera of the Brazilian western arc of Amazon, Cerrado, and Pantanal in the states of Mato Grosso, Mato Grosso do Sul, and Rondônia. Three important biomes of the South American continent characterize these Brazilian states: Amazon forest, Cerrado (Brazilian Savannah), and Pantanal. Besides their ecological relevance, these biomes historically lack intensive entomological surveys. Therefore, they are much underrepresented in the Brazilian natural history collections and in the scientific literature, which is further aggravated by the fact that these areas are being exponentially and rapidly converted to commercial lands. Our project involved over 90 collaborators from 24 different Brazilian institutions and one from Colombia among researchers, postdocs, graduate and undergraduate students, and technicians. We processed and analyzed nearly 300,000 specimens from ~60 families of Diptera collected with a large variety of methods in the sampled areas. Here, we provide a detailed overview of the genera and species diversity of 41 families treated. Our results point to a total of 2,130 species and 514 genera compiled and identified for the three states altogether, with an increase of 41% and 29% in the numbers of species and genera known for the three states combined, respectively. Overall, the 10 most species-rich families were Tachinidae, Cecidomyiidae, Tabanidae, Psychodidae, Sarcophagidae, Stratiomyidae, Bombyliidae, Syrphidae, Tephritidae, and Asilidae. The 10 most diverse in the number of genera were Tachinidae, Stratiomyidae, Asilidae, Mycetophilidae, Syrphidae, Tabanidae, Muscidae, Dolichopodidae, Sarcophagidae, and Chloropidae. So far, 111 scientific papers were published regarding taxonomic, phylogenetic, and biogeographical aspects of the studied families, with the description of 101 new species and three new genera. We expect that additional publications will result from this investigation because several specimens are now curated and being researched by specialists. SISBIOTABRASIL SISBIOTA BRASIL threeyear year multimilliondollar multimillion dollar endangeredunderstudied endangered understudied Brazil flora processes premise Sul Rondônia forest Savannah, Savannah , Savannah) relevance surveys Therefore literature lands 9 2 researchers postdocs students technicians 300000 300 000 300,00 60 ~6 Here 4 treated 2130 130 2,13 51 altogether 29 combined respectively Overall 1 speciesrich rich Tachinidae Cecidomyiidae Tabanidae Psychodidae Sarcophagidae Stratiomyidae Bombyliidae Syrphidae Tephritidae Asilidae Mycetophilidae Muscidae Dolichopodidae Chloropidae far 11 taxonomic phylogenetic specialists 30000 30 00 300,0 6 ~ 213 13 2,1 5 3000 3 0 300, 21 2,

https://doi.org/10.1590/1806-9665-rbent-2023-0051

Response of Urochloa mosambicensis genotypes to phosphorus fertilization in soil with low phosphorus levels
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NUNES, Jenefer de Oliveira

; POMPEU, Roberto Claúdio Franco Fernandes

; BUENO, Luíce Gomes

; TAVARES, Rita de Kássia Oliveira

; CLARK, Marcus Vinicius Guimarães

; SAGRILO, Edvaldo

; OLIVEIRA JÚNIOR, José Oscar Lustosa de

; SOUZA, Henrique Antunes de

Revista Brasileira de Saúde e Produção Animal

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2023, Volume 24 elocation e20230028

Resumo: Pt En | Texto: Pt En | PDF: Pt | PDF: En

Resumo O fósforo (P) é um dos principais nutrientes capazes de aumentar a produtividade de gramíneas tropicais. A definição de doses de P pode contribuir para aumentar a produção de forragem em pastagens cultivadas. Todavia não se conhece a eficiência na resposta de diferentes genótipos de capim-corrente (Urochloa mosambicensis (Hack.) Dandy) a doses de P. Este estudo objetivou quantificar a resposta de genótipos de capim-corrente a níveis de adubação com P e classificá-los segundo a sua eficiência e responsividade. O experimento foi conduzido em vasos, em condições controladas, no delineamento inteiramente casualizado, num esquema fatorial 2 x 9, com cinco repetições. Os fatores consistiram de doses equivalentes de P de 10 e 90 kg ha-1 de P2O5 (superfosfato triplo) e oito genótipos de U. mosambicensis (UmCO1 (2), UmCO-2 (2), UmCO-4 (1), UmCO-8 (1), UmCO-11 (2), UmCO-12 (2), UmCO-13 (2) e UmCO-14 (2)), além da testemunha Urochloa brizantha syn. Brachiaria brizantha cv. BRS Piatã. Cada unidade experimental foi constituída de um vaso. Foram avaliados atributos biométricos e rendimento de massa seca ao longo de quatro ciclos de corte. Não houve efeito da interação entre adubação x genótipos para as variáveis avaliadas. Entretanto, a maior dose do fertilizante incrementou o rendimento de massa seca e densidade populacional de perfilhos em todos os genótipos e cortes avaliados. O genótipo UmCO-4 (1) e a cultivar BRS Piatã revelaram-se responsivos e eficientes no uso de P. A maior dose de P promoveu maior produção de massa seca e maior número de perfilhos em todos os genótipos de U. mosambicensis. (P tropicais cultivadas capimcorrente capim corrente Hack. Hack (Hack. Dandy classificálos classificá los responsividade vasos controladas casualizado 9 repetições 1 ha1 ha ha- PO P2O superfosfato triplo U UmCO1 UmCO (UmCO 2, , UmCO2 UmCO- UmCO4 4 1, UmCO8 8 UmCO11 11 UmCO-1 UmCO12 12 UmCO13 13 (2 UmCO14 14 (2)) syn cv vaso corte avaliadas Entretanto (1 revelaramse revelaram (Hack (

Abstract Phosphorus (P) is one of the main nutrients capable of increasing yields of tropical grasses. The definition of adequate P fertilizer rates can contribute to improving forage production of pastures. However, the efficiency in the response of different genotypes of Urochloa mosambicensis (Hack.) Dandy (Bushveld herringbone grass) to P fertilizer rates is not known. This study aimed to quantify the response of U. mosambicensis genotypes to P fertilizer levels and classify the genotypes as to efficiency and responsiveness. The experiment was carried out in pots, under controlled conditions, in a completely randomized design, in a 2 x 9 factorial with five replications. The factors consisted of equivalent P rates of 10 and 90 kg ha-1 of P2O5 (triple superphosphate) and eight genotypes of U. mosambicensis (UmCO-1 (2), UmCO-2 (2), UmCO-4 (1), UmCO-8 (1), UmCO-11 (2), UmCO-12 (2), UmCO-13 (2) and UmCO-14 (2)), in addition to a control, Urochloa brizantha syn. Brachiaria brizantha cv. BRS Piatã. Each experimental unit consisted of one pot. Biometric attributes and dry mass yield were evaluated over four cutting cycles. There was no effect of the P fertilization x genotypes interaction for the variables evaluated. However, the highest fertilizer rate increased dry mass yield and tiller population density in all genotypes and cuttings evaluated. The genotype UmCO-4 (1) and the cultivar BRS Piatã proved to be responsive to and efficient in P use. The highest P rate promoted greatest production of dry mass and greatest number of tillers in all genotypes of U. mosambicensis. (P grasses pastures However Hack. Hack (Hack. Bushveld grass known U responsiveness pots conditions design replications 1 ha1 ha ha- PO O P2O triple superphosphate UmCO1 UmCO (UmCO- 2, , UmCO2 UmCO- UmCO4 4 1, UmCO8 8 UmCO11 11 UmCO-1 UmCO12 12 UmCO13 13 (2 UmCO14 14 (2)) control syn cv pot cycles (1 use (Hack (UmCO (

https://doi.org/10.1590/s1519-994020230028

10.

Physical soil properties after seven years of composted tannery-sludge application tannerysludge tannery sludge
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Sousa, Ricardo Silva de

; Nunes, Luís Alfredo Pinheiro Leal

; Alcântara Neto, Francisco de

; Souza, Henrique Antunes de

; Araujo, Ademir Sergio Ferreira de

Acta Scientiarum. Agronomy

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2023, Volume 45 elocation e60748

Resumo: En | Texto: En | PDF: En

ABSTRACT. This study was performed to investigate the effects of composted tannery sludge (CTS) on the physical properties of tropical sandy soil after seven years of CTS application. CTS was applied to a Fluvisol at five rates (0.0, 2.5, 5.0, 10.0, and 20.0 Mg ha-1) in experimental plots (sized 20 m2) with four replications. Water infiltration into the soil was determined in the field with the concentric-ring infiltrometer method. Bulk density, total porosity, macroporosity, and microporosity were determined in the soil samples. The permanent CTS application altered the physical properties of the soil and led to a decrease in bulk density. The total porosity, microporosity and macroporosity values in the CTS-applied soil ranged from 44.1-51.7, 34.6-39.4, and 9.1-12.8%, respectively. Water-infiltration rates were significantly influenced by CTS. The cumulative infiltrated water in the soil varied from 21.3-34.7 cm. The basic infiltration rate was lower in the unamended soil and increased with an increase in the rate of CTS application. This study confirmed that the physical soil parameters improved after the permanent CTS application. Therefore, this application may be a suitable strategy for improving physical soil properties over time. ABSTRACT (CTS 0.0, 00 0 (0.0 25 2 5 2.5 50 5.0 100 10 10.0 200 20. ha1 ha 1 ha-1 sized m2 m replications concentricring concentric ring method density porosity samples CTSapplied 44.151.7, 441517 44.1 51.7, 44 51 7 44.1-51.7 34.639.4, 346394 34.6 39.4, 34 6 39 4 34.6-39.4 9.112.8%, 91128 9.1 12.8%, 9 12 8 9.1-12.8% respectively Waterinfiltration 21.334.7 213347 21.3 34.7 21 3 21.3-34. cm Therefore time 0.0 (0. 2. 5. 10. ha- 151 44.151.7 44151 441 44. 517 51.7 44.1-51. 639 34.639.4 34639 346 34. 394 39.4 34.6-39. 112 9.112.8% 9112 91 9. 128 12.8% 9.1-12.8 334 21.334. 21334 213 21. 347 21.3-34 0. (0 15 44.151. 4415 51. 44.1-51 63 34.639. 3463 39. 34.6-39 11 9.112.8 911 12.8 9.1-12. 33 21.334 2133 21.3-3 ( 44.151 44.1-5 34.639 34.6-3 9.112. 12. 9.1-12 21.33 21.3- 44.15 44.1- 34.63 34.6- 9.112 9.1-1 9.11 9.1-

https://doi.org/10.4025/actasciagron.v45i1.60748

11.

The presence of depressive symptoms and cognitive performance among older individuals with and without self-reported chronic diseases selfreported self reported
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Silva, Thaís Bento Lima da

; Ordonez, Tiago Nascimento

; Silva, Guilherme Alves da

; Souza, Maria Antônia Antunes de

; Silva, Sabrina Aparecida da

; Santos, Gabriela dos

; Gutierrez, Beatriz Aparecida Ozello

; Moreira, Ana Paula Bagli

; Costa, Laydiane Alves

; Moraes, Luiz Carlos de

; Lessa, Patrícia Prata

; Cardoso, Neide Pereira

; Sakaguchi, Mitsuru

; Silva, Henrique Salmazo da

; Brucki, Sonia Maria Dozzi

Dementia & Neuropsychologia

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2023, Volume 17 elocation e20230035

Resumo: Pt En | Texto: Pt En | PDF: Pt | PDF: En

RESUMO. As demências secundárias às doenças cardiovasculares são a segunda causa de doenças neurodegenerativas. Essas condições podem ser prevenidas pelo controle de fatores de risco, sendo necessário observar a relação entre doenças crônicas. Objetivo: Conhecer a influência das doenças crônicas não transmissíveis (DCNT) na cognição e nos sintomas depressivos em pessoas idosas, em meio à pandemia da COVID-19. Métodos: Foram avaliados 578 idosos utilizando um questionário sociodemográfico, o Brazilian telephone version of the Mini Mental State Examination (Braztel-MMSE), a Escala de Depressão Geriátrica (GDS-15) e um questionário aberto relacionado às DCNT. Resultados: Foi confirmada a associação das DCNT crônicas com idade, sintomas depressivos e escolaridade. Conclusão: Nenhuma associação com declínio cognitivo foi evidente em razão da relação da alta escolaridade dos participantes com o controle das DCNT. RESUMO neurodegenerativas risco Objetivo (DCNT idosas COVID19. COVID19 COVID 19. 19 COVID-19 Métodos 57 sociodemográfico BraztelMMSE, BraztelMMSE Braztel MMSE , (Braztel-MMSE) GDS15 GDS 15 (GDS-15 Resultados idade Conclusão COVID1 1 COVID-1 5 (Braztel-MMSE GDS1 (GDS-1 COVID- (GDS- (GDS

ABSTRACT. Dementias secondary to cardiovascular diseases are the second cause of neurogenerative diseases. These conditions can be prevented by controlling risk factors, and it is necessary to observe the relationship between chronic diseases. Objective: to know the influence of chronic non-communicable diseases on cognition and depressive symptoms in the elderly, amid the COVID-19 pandemic. Methods: 578 older adults were evaluated using a sociodemographic questionnaire, the Brazilian Telephone version of the Mini Mental State Examination (Braztel-MMSE), the Geriatric Depression Scale (GDS-15) and an open questionnaire related to NCDs. Results: the association of Non-Communicable Diseases (NCD) with age, depressive symptoms and schooling was confirmed. Conclusion: no association with cognitive decline was evident due to the relationship of high schooling of participants and control of NCDs. ABSTRACT factors Objective noncommunicable non communicable elderly COVID19 COVID 19 COVID-1 pandemic Methods 57 BraztelMMSE, BraztelMMSE Braztel MMSE , (Braztel-MMSE) GDS15 GDS 15 (GDS-15 NCDs Results NonCommunicable Non Communicable NCD (NCD age confirmed Conclusion COVID1 1 COVID- 5 (Braztel-MMSE GDS1 (GDS-1 (GDS- (GDS

https://doi.org/10.1590/1980-5764-dn-2023-0035

12.

Agro-industrial residues in the control of gastrointestinal nematodes of small ruminants and fertilization of forages Agroindustrial Agro industrial
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Hassum, Izabella Cabral

; Souza, Henrique Antunes de

; Leal, Tânia Maria

; Tavares, Rita de Kássia Oliveira

; Araujo Neto, Raimundo Bezerra de

; Nunes, Jenefer de Oliveira

; Pereira Neto, José Alves

Ciência Rural

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2023, Volume 53 Nº 11 elocation e20220301

Resumo: Pt En | Texto: Pt En | PDF: Pt | PDF: En

RESUMO: A verminose em pequenos ruminantes é uma doença que pode inviabilizar a atividade rural. Embora o sucesso no controle dos nematóides gastrointestinais de pequenos ruminantes dependa da adoção associada de diferentes estratégias e tecnologias, ainda é possível notar a escolha, por parte de alguns ovinocaprinocultores, pelo tratamento exclusivamente baseado na administração de anti-helmínticos aos animais. Contudo, é no ambiente que encontramos um elevado número de formas imaturas de nematóides gastrointestinais. Objetivou-se com o presente trabalho avaliar quatro resíduos agroindustriais como adubo no controle dos nematóides gastrointestinais de pequenos ruminantes, em estádio de vida livre. Casca de caranguejo, manipueira, biochar e organomineral foram os resíduos empregados nos vasos com capacidade média de 5,0 kg de solo, onde foi cultivado o capim Massai (Megathyrsus maximus cv. Massai). Após corte de uniformização do capim, os vasos foram contaminados utilizando-se fezes de ovinos portadores de infecção natural multiespecífica por nematóides gastrointestinais. E, na sequência, os resíduos foram aplicados individualmente no solo, na quantidade de 50 mL/vaso para o resíduo líquido e 50 g/vaso para os sólidos. O tratamento com a manipueira foi o que apresentou o menor número de larvas infectantes de terceiro estádio (L3) recuperado do capim (202,44 L3.kg MS-1) quando comparado com os tratamentos utilizando organomineral (823,89 L3.kg MS-1) e biochar (689,34 L3.kg MS-1). Contudo, não houve diferença estatística significativa (P < 0,05) entre os quatro tratamentos testados quando comparado ao grupo controle. Os resíduos agroindustriais podem ser utilizados como adubos orgânicos, mas não vão auxiliar no controle dos nematóides gastrintestinais dos ovinos. RESUMO rural tecnologias escolha ovinocaprinocultores antihelmínticos anti helmínticos animais Contudo Objetivouse Objetivou se livre caranguejo 5 0 5, solo Megathyrsus cv Massai. . Massai) utilizandose E sequência mLvaso mL vaso gvaso g sólidos L3 L (L3 202,44 20244 202 44 (202,4 L3kg Lkg MS1 MS 1 MS-1 823,89 82389 823 89 (823,8 689,34 68934 689 34 (689,3 MS1. P 0,05 005 05 orgânicos (L 202,4 2024 20 4 (202, MS- 823,8 8238 82 8 (823, 689,3 6893 68 3 (689, 0,0 00 202, 2 (202 823, (823 689, 6 (689 0, (20 (82 (68 (2 (8 (6 (

ABSTRACT: Verminosis in small ruminants can render rural activity impractical, which is still controlled through the administration of anthelmintics. The present study evaluated four agro-industrial residues as fertilizer in the control of GIN of small ruminants in the free-living stage. Crab shell, manipueira, biochar, and organomineral residues were used in pots (5.0 kg of soil) and cultivated with Massai grass (Megathyrsus maximum cv. Massai). Further, the pots were contaminated with feces from sheep carrying a natural multispecific infection by GIN. Next, the residues were applied individually to the soil, with 50 mL/pot for liquid and 50 g/pot for solid residues. Treatment with manipueira showed the lowest number of L3.kg MS-1 recovered from the grass (202.44), when compared with treatments using organomineral (823.89) and biochar (689.34). However, there was no statistically significant difference (P < 0.05) between the four treatments as compared to the control group. These agro-industrial residues can be used as organic fertilizers; however, these will not help in the control of GIN in sheep. ABSTRACT impractical anthelmintics agroindustrial agro industrial freeliving free living stage shell 5.0 5 0 (5. soil Megathyrsus cv Massai. . Massai) Further Next mLpot mL pot gpot g L3kg Lkg L3 L MS1 MS 1 MS- 202.44, 20244 202.44 , 202 44 (202.44) 823.89 82389 823 89 (823.89 689.34. 68934 689.34 689 34 (689.34) However P 0.05 005 05 group fertilizers however 5. (5 2024 202.4 20 4 (202.44 823.8 8238 82 8 (823.8 6893 689.3 68 3 (689.34 0.0 00 ( 202. 2 (202.4 823. (823. 689. 6 (689.3 0. (202. (823 (689. (202 (82 (689 (20 (8 (68 (2 (6

https://doi.org/10.1590/0103-8478cr20220301

13.

Accuracy of DRIS and CND methods and nutrient sufficiency ranges for soybean crops in the Northeast of Brazil
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Souza, Henrique Antunes de

; Rozane, Danilo Eduardo

; Vieira, Paulo Fernando de Melo Jorge

; Sagrilo, Edvaldo

; Leite, Luiz Fernando Carvalho

; Brito, Lucélia Cássia Rodrigues de

; Conceição, Mariana Passos

; Ferreira, Ane Caroline Melo

Acta Scientiarum. Agronomy

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2023, Volume 45 elocation e59006

Resumo: En | Texto: En | PDF: En

ABSTRACT. This study aimed to evaluate the nutrition of commercial soybean crops in an agricultural frontier region using the diagnosis and recommendation integrated system (DRIS) and compositional nutrient diagnosis (CND) methods, as well as identify sufficiency ranges. The study was performed by collecting leaf samples (third trifoliate leaf without petiole) at flowering from commercial soybean crops in the states of Piauí and Maranhão, Brazil, and evaluating the crop yield by analyzing macro- and micronutrients in the plant tissue of 98 samples. The DRIS and CND methods were applied based on the cataloged data, followed by the generation of norms, analysis of relationships between yield and nutrients (selecting high-yield crops by the cumulative function of the data), generation of sufficiency ranges, and comparison of methods. The relationships obtained by the DRIS and CND indices with the yield and nutrients were significant, indicating that both methods can be employed for the evaluation of leaf nutrients in soybean. The sufficiency ranges from the DRIS and CND methods presented superior nutrient ranges in relation to the values proposed in the literature for macronutrients, except for nitrogen, and greater range amplitudes for micronutrients. ABSTRACT (DRIS (CND third petiole Maranhão Brazil macro 9 data norms selecting highyield high , data) significant macronutrients nitrogen

https://doi.org/10.4025/actasciagron.v45i1.59006

14.

Agroforestry system improves soil carbon and nitrogen stocks in depth after land-use changes in the Brazilian semi-arid region landuse land use semiarid semi arid
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Tonucci, Rafael Gonçalves

; Vogado, Renato Falconeres

; Silva, Rodrigo Dias

; Pompeu, Roberto Cláudio Fernandes Franco

; Oda-Souza, Melissa

; Souza, Henrique Antunes de

Revista Brasileira de Ciência do Solo

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2023, Volume 47 elocation e0220124

Resumo: En | Texto: En | PDF: En

ABSTRACT Agroforestry systems have the potential to increase soil organic matter, with effects on soil carbon and nitrogen contents, but information on the application of these systems in semi-arid regions is still scarce. This study aimed to analyze soil carbon and nitrogen stocks in the conversion of native forest from the Caatinga Biome into integrated agriculture systems in the Brazilian semi-arid region. We evaluated the following management systems in the Haplic Inceptisol (Cambissolo Háplico eutrófico): (1) Intercropping area, cultivated with corn and Massai grass; (2) Caatinga (natural vegetation); (3) AFS10: agroforestry system with native woody forest rows occupying 33 % and agriculture occupying 66 % of the total area; and (4) AFS20: agroforestry system presenting inverse proportions of AFS10. The agroforestry systems were intercropped with sorghum or millet, pigeon pea and Massai grass. We collected disturbed and undisturbed soil samples at the layers of 0.00-0.10; 0.10-0.20; 0.20-0.40, 0.40-0.60 and 0.60-1.00 m for analysis of carbon (SOC), nitrogen (N), soil bulk density, and calculation of SOC and N stocks and C/N ratio, two years after the conversion of natural vegetation to the agricultural area (intercropping) and agroforestry system (AFS10 and AFS20). We applied principal component and cluster analysis to explore the data, and confidence interval to compare the means of accumulated SOC and N stocks up to 1 m soil depth. No differences exist for the properties analysed in superficial layers (0.00-0.10 and 0.10-0.20 m), regardless of land-use systems. AFS20 increase the SOC content and, consequently, SOC stock, in subsurface layers; on the other hand, intercropping increases N content and N stock. AFS20 presented higher accumulated SOC stocks up to 1.00 m (114.97 Mg ha-1). Agroforestry systems management is an alternative for increasing carbon sequestration under the conversion from Caatinga to agricultural areas. matter contents semiarid semi arid scarce region Cambissolo eutrófico eutrófico) (1 grass 2 (2 vegetation) 3 (3 AFS10 AFS 6 4 (4 millet 0.000.10 000010 0.00 0.10 0 00 10 0.00-0.10 0.100.20 010020 0.20 20 0.200.40, 020040 0.40, 40 0.20-0.40 0.400.60 040060 0.40 0.60 60 0.40-0.6 0.601.00 060100 0.60-1.0 SOC, , (SOC) N, (N) density CN C ratio (intercropping (AFS1 AFS20. . AFS20) data depth (0.00-0.1 0.10-0.2 m, m) landuse land use AFS2 consequently stock hand 100 1.0 114.97 11497 114 97 (114.9 ha1. ha1 ha ha-1) areas ( AFS1 000 0.000.1 00001 0.0 010 0.1 0.00-0.1 0.100.2 01002 020 0.2 200 0.200.40 02004 040 0.20-0.4 400 0.400.6 04006 0.4 060 0.6 0.40-0. 601 0.601.0 06010 0.60-1. (SOC (N (AFS (0.00-0. 0.10-0. 1. 114.9 1149 11 9 (114. ha-1 0.000. 0000 0. 01 0.00-0. 0.100. 0100 02 0.200.4 0200 04 0.20-0. 0.400. 0400 06 0.40-0 0.601. 0601 0.60-1 (0.00-0 0.10-0 114. (114 ha- 0.000 0.00-0 0.100 0.200. 0.20-0 0.400 0.40- 0.601 0.60- (0.00- 0.10- (11 0.00- 0.200 0.20- (0.00 (0.0 (0. (0

https://doi.org/10.36783/18069657rbcs20220124

15.

Productivity and nutrient export in a maize and forage grasses intercropping under semiarid conditions
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PONTE FILHO, Francisco Augusto Machado da

; GUEDES, Fernando Lisboa

; POMPEU, Roberto Cláudio Fernandes Franco

; SAGRILO, Edvaldo

; ANDRADE, Hosana Aguiar Freitas de

; COSTA, Carlos Pedro de Meneses

; SOUZA, Henrique Antunes de

Revista Brasileira de Saúde e Produção Animal

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2023, Volume 24 elocation 20220029

Resumo: Pt En | Texto: Pt En | PDF: Pt | PDF: En

RESUMO O objetivo foi avaliar o desempenho produtivo e a exportação de nutrientes do consórcio de milho com gramíneas forrageiras tolerantes ao estresse hídrico. O experimento foi delineado em blocos casualizados em esquema fatorial 2x2x2+1 (duas espécies de gramíneas forrageiras – Massai e Buffel; dois métodos de semeadura – no sulco e a lanço; e duas épocas de semeadura – antecipada e simultânea; e monocultivo de milho como um controle adicional), com três repetições. O consórcio milho+forragem promoveu maior competição por recursos, principalmente água, limitando a absorção de N, síntese de clorofila e produção de biomassa pelo milho para condições semiáridas. A semeadura precoce deu vantagem competitiva às plantas forrageiras, favorecendo seu estabelecimento antes ou imediatamente após a semeadura do milho. Assim, a semeadura simultânea de gramíneas forrageiras em ambiente semiárido é uma opção mais adequada, considerando a importância de garantir altos teores de clorofila e, consequentemente, alta atividade fotossintética nas plantas de milho para garantir a capacidade de síntese de biomassa.Massai consorciado com milho apresenta maior potencial para produção de biomassa do que Buffel em condições semiáridas.Milho+Buffel resulta em maior exportação de macronutrientes pelo milho, enquanto milho+Massai resulta em maior exportação de macronutrientes pela biomassa forrageira total em ambiente semiárido.A escolha da espécie forrageira e sua época de semeadura em relação ao milho são os principais determinantes do sucesso do consórcio no semiárido. hídrico 2x2x21 xx 2x2x2 1 x 2x2x2+ lanço adicional, adicional , adicional) repetições milhoforragem forragem recursos água N semiáridas Assim adequada consequentemente biomassaMassai semiáridasMilhoBuffel Milho milhoMassai semiáridoA 2x2x

ABSTRACT The aim was to evaluate the productive performance and nutrient export of maize intercropped with drought-tolerant forage grasses. The experimental design was a randomized blocks in a 2x2x2+1 factorial scheme (two forage grasses species – Massai and Buffel; two forage sowing methods - in the furrow and broadcast; and two forage sowing times - anticipated and simultaneous; and monoculture maize as an additional control), with three replicates. The maize+forage intercropping promoted greater competition for resources, especially water, limiting N uptake, chlorophyll synthesis, and biomass production by maize under semiarid conditions. Early sowing gave forage plants a competitive advantage, favoring forage establishment before or immediately after the sowing of maize. Thus, the simultaneous sowing of forage grasses in a semiarid environment is a more appropriate option considering the importance of high levels of chlorophyll to ensure high photosynthetic activity in maize plants and greater capacity of biomass synthesis. Massai intercropped with maize exhibits a greaterpotential for biomass production than Buffel under semiarid conditions. Maize+Buffel result in highest macronutrient export by maize, while maize+Massai result in highest macronutrient exports by total forage biomass under a semiarid environment. The choice of the forage species and its sowing time in relation to maize are the main determinants of successful intercropping systems under semiarid conditions. droughttolerant drought tolerant 2x2x21 xx 2x2x2 1 x 2x2x2+ broadcast control, control , control) replicates maizeforage resources water uptake synthesis conditions advantage Thus MaizeBuffel Maize maizeMassai 2x2x

https://doi.org/10.1590/s1519-994020220029

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