Interferência da brachiaria decumbens Stapf. sobre plantas daninhas em sistema de consórcio com o milho

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2011-12-01

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Forage plants cultivated in consortium with crop corn, facilitating the weed control in farming and cattle raising ecosystem, interfering not only in your biological productivity, like in your potential of distribution and infestation in area. This experiment was realized with the aim to evaluate the weed suppress by Brachiaria decumbens in intercropping with corn (Zea mays L.). The even was composed by combination of four forage plant density (0, 10, 15 and 20 kg ha -1) and three weed species (Ipomoea grandifolia, Digitaria horizontalis and Cenchrus echinatus), planted intercropping with corn. It was constated that B. decumbens was efficient in weed infestation suppress, being the most effective control for D. horizontalis. The leaf area and dry phytomass of weeds were affected (P<0.05) by forage plant presence, with variation between the density curve of Brachiaria only for weed D. horizontalis and I. grandifolia.

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Inglês

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Revista Caatinga, v. 24, n. 3, p. 215-220, 2011.

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