Weed management in rice crops in Latin America: Problems and solutions Guidelines are proposed to manage weeds in rice crops in Latin America within a framework of sustainability and based on the principles of integrated weed management. Two aspects are emphasized: improved use of herbicides and ...
Se proponen pautas para manejar las malezas del arroz en América Latina dentro de un marco de sostenibilidad y según los principios del manejo integrado de malezas. En él se resaltan dos puntos: el mejor uso que se debe dar a los herbicidas y la forma de evitar que algunas malezas presenten probl...
Fuentes de Piedrahíta, Cilia L.
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[Manejo de las malezas del arroz en América Latina: problemas y soluciones]
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Manejo de las malezas del arroz en América Latina: problemas y soluciones
Red rice in Colombia: Performance and risks The types of red rice (Oryza sativa L.) found in rice fields in Colombia are described, as well as their performance and the main practices contributing to their dissemination. Several control measures are proposed. In many countries red rice is one of ...
Se describen los tipos de arroz rojo (Oryza sativa L.) presentes en los arrozales de Colombia, su comportamiento, las principales prácticas que contribuyen a su diseminación, y se proponen algunas medidas de control. El arroz rojo es, en muchos países, una de las malezas más agresivas del arroz c...
Strategies adopted by weed researchers center on two aspects; cultural methods and chemical use. Cultural methods are intended to reduce weed competition through multiple and intercropping and high plant populations while herbicides reduce weed competition through the direct elimination of weeds....
Las estrategias que han adoptado los investigadores en malezas se centran en 2 aspectos: metodos culturales y uso de productos quimicos. Los metodos culturales pretenden reducir la competencia de malezas mediante cultivos multiples y asociados y altas poblaciones de plantas, mientras que los herb...
Lentini, Z
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Fory Sánchez, L.F.
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González, E.
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Mina, A
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Flórez Varón, J.C.
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Arcia Moreno, KA
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Duque E., Myriam Cristina
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[Coexistence of weedy rice and rice in tropical America : Gene flow analysis]
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Coexistence of weedy rice and rice in tropical America : Gene flow analysis
Monoculture of irrigated rice (Oryza sativa L.) in Latin America has led to serious weed problems and intensive herbicide use. Yield loss prediction enables the economic analysis of weed control, providing a basis for strategic use of herbicides and diversified weed management, but site differenc...
Flórez, J.A.
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Fischer, Albert J.
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Ramírez, Héctor V.
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Duque E., Myriam Cristina
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[Predicting rice yield losses caused by multispecies weed competition]
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Predicting rice yield losses caused by multispecies weed competition
The seed yields and limitations to yield for nine pasture legumes in a tropical savanna region were defined in a 3-year field experiment at the Cerrodos Agricultural Research Centre near Brasilia (15°36' S, 47° 42' W). Assessment was based on flowering times, incidence of diseases and pests, yiel...
Andrade, Ronaldo P. de
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Thomas, D.
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Ferguson, John E.
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[Seed production of pasture species in a tropical savanna region of Brazil. 1. Legumes]
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Seed production of pasture species in a tropical savanna region of Brazil. 1. Legumes
Rusinamhodzi, Leonard
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Dahlin, Sigrun
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Corbeels, Marc
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[Living within their means: reallocation of farm resources can help smallholder farmers improve crop yields and soil fertility]
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Living within their means: reallocation of farm resources can help smallholder farmers improve crop yields and soil fertility