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Effect of rate and date of nitrogen application on production of grain sorghum (Sorghum bicolor (L.) Moench)

, : Effect of rate and date of nitrogen application on production of grain sorghum (Sorghum bicolor (L.) Moench). Cientifica 9(1): 85-89

In field trials in Sao Paulo, sorghum was given 0, 40, 80 or 120 kg N/ha as ammonium nitrate (a) at sowing, (b) 50% at sowing + 50% at apical differentiation or (c) 50% at sowing + 50% at the boot stage. N application did not significantly increase grain production but did shorten growth cycles.

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