Contributed articles presented at a workshop convened at Department of History, Delhi University in September 2005.A Reader Mahesh Rangarajan. product. ... Excessive use of nitrogen and phosphorus has led to difficulties in some countries. ... 1 , 30.2 and 53.7 per cent in case of tagged ammonium sulphate, nitro phosphate (high water solubilitv) and nitroanbsp;...
Title | : | Environmental Issues in India |
Author | : | Mahesh Rangarajan |
Publisher | : | Pearson Education India - 2009 |
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