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...
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https://cgspace.cgiar.org/handle/10568/72372
Fischer, Albert J.
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Lozano, J.C.
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Ramírez Suárez, A.
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Sanint, Luis Roberto
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[Yield loss prediction for integrated weed management in direct-seeded rice]
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Yield loss prediction for integrated weed management in direct-seeded rice
