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Thesis
1990
Department of Soil Science and Agricultural Chemistry, College of Agriculture,Vellanikara

Though phosphorus is one of the key nutrients for plant growth, the consumption rate of phosphatic fertilizers in India is found to be comparatively low. The escalating cost of the imported raw material used for the manufacture of P fertilizers may be one of the possible reasons for the low intake. In this regard, the direct application of cheap native ground rockp...

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