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Agronomy Journal Abstract -

Effect of Various Sources of Nitrogen on Rice Paddy Yield1


This article in AJ

  1. Vol. 49 No. 3, p. 114-116

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  1. A. Wahhab and
  2. H. M. Bhatti2



Ammonium nitrogen gave much better rice yields than nitrate nitrogen. Calcium cyanamide and urea were also more effective than nitrate nitrogen. Nitrate nitrogen applied just before heading proved more beneficial to rice than that applied at the early stage of plant growth. Generally, ammonium sulphate increased rice yields more than the other nitrogen fertilizers tested.

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