CONSÓRCIO DE SORGO GRANÍFERO E BRAQUIÁRIA NA SAFRINHA PARA PRODUÇÃO DE GRÃOS E FORRAGEM
2014
ADALBERT HORVATHY NETO | ALESSANDRO GUERRA DA SILVA | ITAMAR ROSA TEIXEIRA | KÁTIA APARECIDA DE PINHO COSTA | RENATO LARA DE ASSIS
Aiming to evaluate the sorghum intercropping on the line in two seeding dephts of brachiaria species, a trial was conducted on the field in february 2009 in Rio Verde, GO. The experimental design used was randomized blocks in factorial scheme 2x3+1+3, with four replications, being made up two brachiaria sowing depths (2 and 10 cm), three brachiaria species (Brachiaria decumbens, B. brizantha cv. Marandu and B. ruziziensis) intercropped with the sorghum DKB 599, plus four additional treatments of sorghum and brachiaria monocultures. At 52 days after to harvest the sorghum grains, it was made up the cutting on brachiaria at 30 cm from the soil to explore the regrowth of plants in off-season cultivation, and further evaluation of forage yield at 36 days after the cutting. The intercropping in the line with B. brizantha, at 2 or 10 cm sowing depth, and with B. decumbens, sown at 2cm, appeared as the most promising for sorghum grain production. The brachiaria and sorghum intercropping in the line increased the total dry matter and crude protein yields. The regrowth of brachiaria plants in the intercropping showed to be a technique viable for forage production and soil cover in dry season at Brazil cerrado.
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