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Bioagro  2003 

Rendimiento en granos y eficiencia de una asociación maíz (zea mays) y quinchoncho (cajanus cajan) con o sin fertilización

Keywords: intercropping, cereals, legumes, ler, ater, aher.

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Abstract:

grain yield and efficiency of a maize-pigeon pea intercropping system were compared in an additive experiment with 62.500 plants/ha sole cropped maize (ceniap pb8), 50.000 plants/ha sole cropped pigeonpea (icpl 87119) and 112.500 plants/ha in intercropping plots. two fertilization levels were applied. maize was planted 20 days after pigeonpea. grain yields of maize were 6938 and 7665 kg/ha in not fertilized and fertilized monoculture plots, and 7030 and 7507 kg/ha in not fertilized and fertilized intercropped plots, respectively. no statistical differences were found in pigeonpea, with grain yields of 3437 and 3464 kg/ha in not fertilized and fertilized sole cropped plots, and 3064 and 3277 kg/ha in not fertilized and fertilized intercropped plots. efficiency indexes land equivalent ratio (ler), area-time equivalency ratio (ater) and area-harvest equivalency ratio (aher) showed advantages of intercropping in relation to monocultures.

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