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Report 1992

Autor: Fischer, Albert J. Ramírez Suárez, A.

Growth analysis and competition studies involving red rice and rice "Oryzica 1" were conducted at CIAT, Colombia, during 1989 and 1990. In competition red rice (2 biotypes) grew taller than Oryzica 1, but had similar leaf area. During the first 60 days after emergence (d.a.e.) Oryzica 1 tillered ...

Enlace original: https://cgspace.cgiar.org/handle/10568/72331

Investigación en Agricultura
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Fischer, Albert J. ,  Ramírez Suárez, A. ,  [Red rice (oryza sativa): competition studies for management decisions] ,  Red rice (oryza sativa): competition studies for management decisions
Report 1992

Autor: Fischer, Albert J. Lozano, J.C. Ramírez Suárez, A. Sanint, Luis Roberto

The critical period of rice-weed competition was studied for the rice varieties Oryzica 1 and CICA 8, in 1989 and 1990. Weed species were: Eleusine indica, Echinochloa crus-galli, Echinochloa colonum, Cyperus difformis, Cyperus esculentus, Cyperus iria, Leptochloa filiformis, and Eclipta alba. Co...

Enlace original: https://cgspace.cgiar.org/handle/10568/72372

Investigación en Agricultura
Enlace permanente

Fischer, Albert J. ,  Lozano, J.C. ,  Ramírez Suárez, A. ,  Sanint, Luis Roberto ,  [Yield loss prediction for integrated weed management in direct-seeded rice] ,  Yield loss prediction for integrated weed management in direct-seeded rice
Report 1992

Autor: Fischer, Albert J. Ramírez Suárez, A.

Weed control in Latin America is costly and heavily dependent upon herbicides. Often irrigated rice farmers spray herbicides in late post-emergence at 30 to 44 days after emergence (d.a.e.). The economic benefits from such late applications are often unclear. Two experimental approaches involving...

Enlace original: https://cgspace.cgiar.org/handle/10568/71416

Investigación en Agricultura
Enlace permanente

Fischer, Albert J. ,  Ramírez Suárez, A. ,  [Mixed weed infestations : prediction of crop losses for economic weed management in rice] ,  Mixed weed infestations : prediction of crop losses for economic weed management in rice

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