Productivity and nutrient extraction by Paiaguás palisadegrass, single and intercropping with pigeon pea, submitted to doses of nitrogen

ABSTRACT The objective of this work was to evaluate the productivity and extraction macronutrients by Urochloa brizantha cv. BRS Paiaguás (Syn. Brachiaria Paiaguás) single intercropped with pigeon pea (Cajanus cajan Mandarim), subjected four doses nitrogen applied in topdressing (0, 80, 160 240 kg ha-1). experiment carried out São Luís de Montes Belos, GO, soil classified as dystrophic red latosol, under Cerrado conditions. Plant height dry mass pea, plant height, number tillers, mass, macronutrient palisadegrass were evaluated. Higher production observed pasture legume, requiring a lower amount N. Based on results exposed, cultivation reaches higher when legume such addition providing greater efficiency use nutrients N, P K. Nitrogen fertilization has negative influence plants.