Cultivo consorciado de soja com braquiária
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Data
2014-01-01
Autores
Castagnara, Deise Dalazen
Bulegon, Lucas Guilherme
Zoz, Tiago [UNESP]
Rossol, Charles Douglas
Berté, Luiz Neri
Oliveira, Paulo Sérgio Rabello de
Neres, Marcela Abbado
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Resumo
The objective of this work was to study the intercropping of Brachiaria brizantha. Marandu with soybeans. The experiment has been planted in a 3 year prevailing area with no-tillage, in eutrophic Oxisol at Maripá - PR. The experimental design was a randomized block with five replications. For the forage study, four treatments were performed which consisted of seeding times brachiaria [early (seven days before planting soybeans) joint (same day of soybean planting) and after (at stages V3and R1culture)] intercropping with soybean. To study the yield and crude protein and oil levels of the grain were adopted six treatments, which consisted of sowing dates of capim Marandu [early (seven days before planting soybeans), joint (same day of soybean planting) after (V3, R1and R5soybean) and in single culture (single)]. The forager higher productivity of dry matter occurs with early sowing, however, the greatest reduction in soybean yield also occurs in this case. The sowing of Brachiaria until R5soy has no influence on the nutritional value of the forage. The intercropped of soybean with Brachiaria brizantha. Marandu has no impact on the leaf Nitrogen content, oil content and enzyme activity of soybean peroxidase. The highest yield of soybeans occurs when it is grown single or Brachiaria is sown in stage R5. The crude protein content of soybean grain is reduced when brachiaria seeding is early or together with soybeans compared to single culture.
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Brachiaria brizantha, Glycine max, Interespecific competition
Como citar
Bioscience Journal, v. 30, n. 3 SUPPL. 1, p. 168-177, 2014.