Zobrazeno 1 - 10
of 172
pro vyhledávání: '"João Carlos Cardoso Galvão"'
Autor:
Jussara Aparecida Santos de Macedo, Eduardo Fontes Araújo, Roberto Fontes Araújo, João Carlos Cardoso Galvão, Paulo Roberto Cecon, Leandro Roberto de Macedo, Silvane de Almeida Campos
Publikováno v:
Ciência Rural, Vol 53, Iss 1 (2022)
ABSTRACT: This study evaluated the physical and physiological qualities and productivity of corn seeds, a variety UFVM 100 Native, produced in plots fertilized in top dressing with different levels of poultry waste. The experiment was organized in a
Externí odkaz:
https://doaj.org/article/9cde1a43483e4b6f976d259c62511b13
Weed communities in the organic cultivation of fresh maize intercropped with legumes and coffee husk
Autor:
Tamara Rocha dos Santos, João Carlos Cardoso Galvão, Jeferson Giehl, Steliane Pereira Coelho, Silvane de Almeida Campos, Beatriz Ferreira Mendonça
Publikováno v:
Revista Facultad Nacional de Agronomía Medellín, Vol 72, Iss 2, Pp 8793-8800 (2019)
The objective of this study was to evaluate the phytosociology of the weed communities in maize intercropped with legumes and coffee husk in an organic production system, emphasizing on the relative importance of the weeds and their biomass. The expe
Externí odkaz:
https://doaj.org/article/2040c69cf1d24759aa6ba9b42165c05c
Autor:
Eduardo de Paula Simão, Álvaro Vilela de Resende, Miguel Marques Gontijo Neto, Alexandre Ferreira da Silva, Vicente de Paulo Campos Godinho, João Carlos Cardoso Galvão, Emerson Borghi, Antônio Carlos de Oliveira, Jeferson Giehl
Publikováno v:
Pesquisa Agropecuária Brasileira, Vol 55 (2021)
Abstract: The objective of this work was to assess the grain yield and the economic response of off-season corn (Zea mays) crop subjected to different combinations of starter and topdressing nitrogen fertilization, in the Brazilian Cerrado region. Th
Externí odkaz:
https://doaj.org/article/af44ab6cefb84a3983aca522dc9af7ba
Autor:
Silvane de Almeida Campos, Caetano Marciano de Souza, João Carlos Cardoso Galvão, Júlio César Lima Neves
Publikováno v:
Agrarian, Vol 11, Iss 41, Pp 230-240 (2018)
O plantio direto é uma técnica tradicionalmente adotada no Brasil. Um dos avanços neste sistema é sua realização de forma orgânica, linha de trabalho ainda pouco pesquisada e de resultados pouco conhecidos. Assim, realizou-se este estudo com o
Externí odkaz:
https://doaj.org/article/ffdfba4cdf4646f9b7d9a5635b71b478
Autor:
Lamara Freitas Brito, João Carlos Cardoso Galvão, Jeferson Giehl, Silvane de Almeida Campos, Steliane Pereira Coelho
Publikováno v:
Pesquisa Agropecuária Tropical, Vol 47, Iss 1, Pp 72-79 (2017)
The no-tillage farming has become a popular practice in Brazil, but problems with weed control and plant nutrition persist under organic production systems. This study aimed at evaluating the agronomic traits and yield of maize, after using different
Externí odkaz:
https://doaj.org/article/a228b139a7b64beb94dc1c883bdd4a9c
Autor:
Lamara Freitas Brito, João Carlos Cardoso Galvão, Jeferson Giehl, Steliane Pereira Coellho, Silvane de Almeida Campos, Tatiana Pires Barrella, Tamara Rocha dos Santos, Beatriz Ferreira Mendonça, Edio Vicente de Jesus
Publikováno v:
Bioscience Journal, Vol 35, Iss 5 (2019)
The decomposition dynamics of cover crop mulch influence the nutrient supply of successor crops and weed suppression. This is even more relevant in organic production systems, due to their limited use of chemical fertilizers and herbicides. As such,
Externí odkaz:
https://doaj.org/article/6cb47dd19ec04f889e74abea86f90c01
Publikováno v:
Revista Ceres, Vol 61, Iss suppl, Pp 819-828 (2014)
Objetivou-se com este trabalho comparar o sistema de produção de milho, recomendado nos anos 40, com o atualmente empregado. Para isso, utilizou-se como base o artigo publicado por Antônio Secundino de São José, na Revista Ceres, em 1944, compar
Externí odkaz:
https://doaj.org/article/2182fa32c2bb4c0cb6417477f9cda4b9
Autor:
Cleiton Lacerda Godoy, Glauco Vieira Miranda, Rodrigo Oliveira DeLima, Leandro Vagno de Souza, João Carlos Cardoso Galvão, Izabel Cristina dos Santos
Publikováno v:
Revista Ceres, Vol 60, Iss 5, Pp 699-705 (2013)
n plant breeding programs that aim to obtain cultivars with nitrogen (N) use efficiency, the focus is on methods of selection and experimental procedures that present low cost, fast response, high repeatability, and can be applied to a large number o
Externí odkaz:
https://doaj.org/article/145dea4fa7cf4b6bba3d754632395636
Autor:
Lucimar Rodrigues de Oliveira, Glauco Vieira Miranda, Rodrigo Oliveira DeLima, Roberto Fritsche-Neto, João Carlos Cardoso Galvão
Publikováno v:
Revista Ciência Agronômica, Vol 44, Iss 3, Pp 614-621 (2013)
O objetivo desse estudo foi investigar o emprego dos componentes da eficiência no uso de nitrogênio e das atividades das enzimas nitrato redutase e glutamina sintetase na seleção de genótipos de milho eficientes no uso de nitrogênio (N). Foram
Externí odkaz:
https://doaj.org/article/22d675c45dcf412e87b384debd2b4c28
Autor:
Carlos Sigueyuki Sediyama, José Eustáquio de Souza Carneiro, Roberto Fritsche-Neto, Tuneo Sediyama, Márcio Henrique Pereira Barbosa, João Carlos Cardoso Galvão, Moacil Alves de Souza
Publikováno v:
Crop Breeding and Applied Biotechnology, Vol 12, Iss Special, Pp 121-130 (2012)
Public and private research institutions employ their best efforts to produce new cultivars, which are intended to ensure productivity, reduce ecological footprint and present characteristics that meet consumer expectations. Some Brazilian universiti
Externí odkaz:
https://doaj.org/article/cc8d55f77ed744818d33501dd66c01a8