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Usefulness of organic manures and their nitrogen fertilizer equivalents
Published online by Cambridge University Press: 27 March 2009
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Organic manures, despite their low nutrient analysis, play a significant role in meeting fertilizer needs of crops. When manures are applied in conjunction with fertilizers, yields are generally higher than with equivalent fertilizers alone. An increase in the yield optima leads to uncertainties in working out fertilizer economy in quantitative terms. In order to overcome this, a concept of fixed yield is described in this paper.
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- Copyright © Cambridge University Press 1988
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