Abstract
The objective of this study was to evaluate the influence of different nitrogen doses on the forage accumulation, tillering and chemical characteristics of Braquiaria grass ( Urochloa decumbens (Stapf) Webster cv. Basilisk). A randomized block design with four replications was used, and each plot (50 m²) was an experimental unit. The treatments consisted of four doses of N (100, 200, 300 and 400 kg ha -1 year -1 of N) and the control treatment. There was an increase in whole-plant crude protein (CP) and in leaf crude protein (LCP) and a decrease in whole-plant neutral detergent fiber (NDF) and leaf neutral detergent fiber (LNDF). Total dry matter accumulation (TDMA) and dry matter accumulation rate (DMAR) increased linearly in response to the N doses applied. Nitrogen fertilization promotes benefits such as increased biomass accumulation and improved forage chemical composition and tillering in Brachiaria grass.
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