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Effect of nitrogen rate and growth stage on yield, rate of dry matter accumulation and nutritive value of the grass Brachiaria humidicola

Effect of nitrogen rate and growth stage on yield, rate of dry matter accumulation and nutritive value of the grass Brachiaria humidicola

Zootecnia Tropical 10(1): 65-86

In trials in the Mesa de Guanipa, Venezuela, during the rainy season from late June to mid-Nov., B. humidicola was given 0, 37.5, 75.0 or 112.5 kg N/ha applied as urea at the start of each growth cycle and sampled at weekly intervals from 7 to 70 days after cutting to a height of 10 cm. Average DM yields in the 1st and 2nd growth cycles were 2.74 t and 0.52 t/ha, respectively, and DM yield increased significantly with each increase in applied N.

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