Results 1 to 10 of about 61,540 (176)

Pod positioning and grain yield of common bean as affected by sowing density, nitrogen fertilization and fertilization depth

open access: yesBioscience Journal, 2023
The positioning of pods in common bean directly affects grain losses in mechanized harvesting. However, only few studies have assessed facttors that can affect pods positioning.
José Geraldo da Silva   +4 more
doaj   +1 more source

Silicato de cálcio como fonte de silício para o arroz de sequeiro

open access: yesRevista Brasileira de Ciência do Solo, 2001
No Brasil, o arroz de sequeiro é cultivado predominantemente em solos de cerrado, os quais, em razão do seu avançado grau de intemperização, apresentam baixos valores de pH, baixa saturação por bases e baixa relação Si/óxidos de Fe e Al.
M. P. Barbosa Filho   +4 more
doaj   +1 more source

Interaction between common bean genotypes and environments in Pernambuco State: stability, environmental stratification and decomposition of interaction

open access: yesSemina: Ciências Agrárias, 2013
The goal of this work was to verify the occurrence of interaction between common bean genotypes and environments (G×E) in Pernambuco state, and to identify genotypes with high yield adaptability and stability, for environmental stratification and ...
Helton Santos Pereira   +5 more
doaj   +1 more source

Produtividade de feijão no sistema plantio direto com aplicação de calcário e zinco [PDF]

open access: yesPesquisa Agropecuária Brasileira, 2004
A acidez dos solos de cerrado é um dos fatores mais limitantes na produtividade das culturas, e a deficiência de micronutrientes desses solos está relacionada com o aumento do pH.
Nand Kumar Fageria, Luís Fernando Stone
doaj   +1 more source

Characterization of Sarocladium oryzae and its reduction potential of rice leaf blast

open access: yesPesquisa Agropecuária Tropical, 2017
The integrated management of rice leaf blast (Magnaporthe oryzae) is carried out mainly with the adoption of chemical control. However, the search for alternative practices has grown in recent years.
Rafaela Araújo Guimarães   +4 more
doaj   +1 more source

Atributos físicos, químicos e biológicos do solo impactado por cultivos sucessivos de arroz

open access: yesRevista Brasileira de Engenharia Agrícola e Ambiental, 2013
A produtividade do arroz de terras altas sofre queda acentuada quando ele é cultivado durante dois ou mais anos, na mesma área. Este trabalho objetivou determinar quais atributos de um Latossolo Vermelho de Cerrado são mais impactados por cultivos ...
Sinnara G. de Godoy   +4 more
doaj   +1 more source

Phosphorus fertilization in the sowing furrow and foliar as affecting the common beans grain yield

open access: yesSemina: Ciências Agrárias, 2014
Phosphorus (P) is an essential element in plant metabolism, and limiting the production of beans. One option would be through foliar fertilization, favoring the reduction of phosphate fertilizers in the soil, causing economic and environmental gains ...
Adriano Stephan Nascente   +3 more
doaj   +1 more source

Tolerance of upland rice genotypes to water deficit

open access: yesRevista Brasileira de Engenharia Agrícola e Ambiental, 2013
Water deficit is one of the environmental factors that cause a great reduction in the upland rice grain yield. The objective of this study was to evaluate genotypes of upland rice with broad genetic diversity for tolerance to this stress and to identify ...
Cleber M. Guimarães   +3 more
doaj   +1 more source

Early sowing can improve irrigation water use efficiency and yield of common bean

open access: yesPesquisa Agropecuária Tropical, 2017
One of the great challenges in the use of irrigation, from an economic and environmental point of view, is to optimize the amount of water used in the production system.
Gisele Carneiro da Silva Teixeira   +4 more
doaj   +1 more source

Avances en el manejo integrado de la bacteria burkholderia glumae en el cultivo de arroz en el caribe colombiano

open access: yesRevista Colombiana de Ciencia Animal Recia, 2011
El presente trabajo tuvo como objetivo mostrar avances en el manejo integrado de la bacteria Burkholderia glumae, causante de la enfermedad del añublo bacterial de la panícula en el cultivo de arroz en el Caribe Colombiano a partir de estudios realizados
CRISTO PEREZ C, ENRIQUE SAAVEDRA
doaj   +1 more source

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