Results 31 to 40 of about 3,120 (181)
Agricultura orgânica e agroecologia têm um peso social, ambiental e econômico importante, principalmente para a agricultura familiar. As interações dessas duas formas mais comuns de fazer agricultura alternativa no Brasil promovem a transição para uma ...
Wellington Pereira Carvalho +2 more
doaj +1 more source
Cover plants with potential to reduce two-spotted spider mite population in soybean [PDF]
The objective of this work was to evaluate the potential of cover plants in reducing the population of the two-spotted spider mite, Te t r a n y c h u s urticae, in soybean.
Luana Cristina Alves Ribeiro +3 more
doaj +1 more source
(Uploaded by Plazi from the Biodiversity Heritage Library) No abstract provided.
Marron, J J +2 more
openaire +2 more sources
Consorciação taro e crotalária manejada com corte rente ao solo e poda na altura do dossel
A associação de culturas com leguminosas de adubação verde visa à manutenção ou melhorias da fertilidade do solo. Com o objetivo de avaliar a consorciação do taro 'Japonês' com crotalária, foram conduzidos dois experimentos, em Viçosa, MG, no período de ...
Mário Puiatti +3 more
doaj +1 more source
Entisol is a type of soil at the initial development stage and has a texture dominated by sand fraction. This causes a decrease in soil quality and can reduce crop production.
Retno Suntari +1 more
doaj +1 more source
Desempenho agronômico de milheto e crotalária cultivados em sistemas solteiro e consorciado [PDF]
RESUMO Alguns fatores impedem que o Sistema de Plantio Direto (SPD) seja adotado em larga escala no Cerrado, dos quais destacam-se a alta temperatura e alta pluviosidade características do bioma que dificultam a manutenção da palhada sobre o solo e ...
João Victor Silva Delazeri +6 more
doaj
Tobacco Ringspot Virus Isolated from Crotalaria (Crotalaria spectabilis).
Two causal viruses were isolated from crotalaria (Crotalaria spectabilis) showing yellow ringspot and mosaic symptoms. The first virus was identified with bean yellow mosaic virus. The virus was transmitted mechanically and also by Myzus persicae. The hosts of this virus were crotalaria, broad bean, bean, soybean and Chenopodium amaranticolor.
KOMURO, Yasuo, IWAKI, Mitsuro
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Effects of irrigated cover crop cultivation period on common bean and soybean yield
Abstract Cover crop inclusion is essential for improving soil management in tropical no till systems; however, the optimal duration of irrigated off‐season cultivation remains uncertain. This 3‐year field study evaluated nine cover crop species or mixtures and four cultivation periods (60, 75, 90, and 105 days) on biomass production, soil chemical ...
Adriano S. Nascente +8 more
wiley +1 more source
SUPRESSÃO DE PLANTAS ESPONTÂNEAS POR ADUBOS VERDES EM ÁREA DE CULTIVO ORGÂNICO
Este trabalho teve como objetivo avaliar o efeito de três adubos verdes na supressão de plantas espontâneas em uma área de cultivo orgânico. O experimento foi realizado em uma propriedade particular localizada no município de Rorainópolis-Roraima, o ...
Jason Mateus Queiroz Silva +5 more
doaj +1 more source
Crotalaria spectabilis Toxicity in Chickens.
SummaryConcentrations of 0.05% to 5% Crotalaria spectabilis seed were fed to chicks. All concentrations of the legume were shown to be toxic. Concentrations in excess of 0.3% produced death in all birds within 18 days. When less than 0.2% was fed there was a marked reduction in weight gain.
J R, ALLEN, G R, CHILDS, W W, CRAVENS
openaire +2 more sources

