Encontrados 4 documentos, a visualizar página 1 de 1
Ação inseticida do extrato de Derris amazonica Killip para Cerotoma arcuatus Ol...
Alecio, Márcio Rodrigo; Fazolin, Murilo; Coelho Netto, Rosalee Albuquerque; Catani, Valdomiro; Estrela, Joelma Lima Vidal; Alves, Suziane BarrosA abundância e o potencial inseticida de Derris amazonica e a necessidade de controle de Cerotoma arcuatus Olivier (ColeopteraChrysomelidae) na cultura do feijão-caupi (Vigna unguiculata L. Walp) estimularam a realização desta pesquisa, que objetivou avaliar a ação inseticida do extrato de D. amazonica a adultos de C. arcuatus em condições de laboratório. Os bioensaios testaram as vias de intoxicação por ingest...
Analysis of the economic feasibility of organic polyculture
Alves, Luiz Emílio Vicentin; Araújo Neto, Sebastião Elviro; Negreiros, Jacson Rondinelli da Silva; Andrade Neto, Romeu de Carvalho; Siviero, AmauriThe polyculture systems guarantees food to small farmers, would ensure sustainable agriculture, high productivity per unit area and lessen the natural risks of agriculture. Within this context the objective of this study was to evaluate the production cost and profitability of an organic polyculture system comprising passion fruit, maize, pineapple and cassava in association with the cover crops. This research ...
Morpho-anatomy of leaves and yield of pineapple plant in intercropping with cas...
Custódio, Roberto Aparecido; Neto, Sebastião Elviro Araújo; Fermino Junior, Paulo César Poeta; Andrade Neto, Romeu de Carvalho; Silva, Irene FerroThe aims of this study were to evaluate the effects of shade in pineapple plant with cassava, on the yields of pineapple fruit sand cassava roots, on the morph-anatomical variation, damage by solar radiation and chlorophyll content of pineapple leaves. Pineapple plants were cultivated in plots comprising three parallel row sunder different shade conditions provided by cassava plants grown at various spacings wi...
DESENVOLVIMENTO DE FEIJÃO-DE-PORCO (Canavalia ensiformis) E Crotalaria juncea C...
Andrade Neto, Romeu de Carvalho; Araújo, Wildjaime de Bergaman Medeiros de; Góes, Gleidson Bezerra de; Oliveira Silva, Michelangelo de