India is the second largest populous country in the world next only to China. Providing nutrient requirement of 1.25 billion persons is no easy task. The food security hinges on large number of factors which affect agriculture productivity. India has to grow more and more food from shrinking agriculture land. Use of fertilisers is one of the key inputs which helped to increase per hectare productivity manifold. Use of fertilisers continues to play that role and will remain critical input for further increasing land productivity on sustained basis.
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