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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
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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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