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Title: Adubação nitrogenda e potássica na produção de massa seca e composição bromatológica do capim-xaraés
Other Titles: Nitrogen and potassium fertilization on dry mass production and bromatological composition of “xaraés” grass
Keywords: Área foliar
Proteína bruta
Leaf area
Crude protein
Issue Date: Apr-2011
Publisher: Instituto Federal Goiano - Campus Rio Verde
Citation: COSTA, K. A. de P. et al. Adubação nitrogenda e potássica na produção de massa seca e composição bromatológica do capim-xaraés. Global Science and Technology, [S.l.], v. 4, n. 1, p. 51-60, jan/abr. 2011.
Abstract: In grazing systems, nitrogen fertilization has presented productive response lower than planed due to inadequate potassium input, suggesting an interaction between absorption and the use of those nutrients. This work aimed to evaluate the nitrogen and potassium fertilizer on Brachiaria brizantha cv. Xaraés nutrition and yield. The experiment was conducted in a greenhouse at Embrapa Rice and Beans. The experimental design was randomized blocks with four replications in a 4 x 4, consisting of four doses of nitrogen (N): 0, 25, 50 and 100 mg dm-3, and four doses of potassium (K2O) 0, 25, 50 and 100 mg dm-3 . The nitrogen and potassium contribute positively to increasing dry matter production, tiller number, foliar area and crude protein contents. However, both reduce NFD content and nitrogen reduces ADF content of “xaraés” grass.
Appears in Collections:DCS - Artigos publicados em periódicos

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