Section 1
Chapter 482

Relative availability of phosphorus in nitro phosphate fertilizers in calcareous soil

Bijay Singh; Sekhon, G.S.

Indian Journal of Agricultural Sciences 43(8): 781-785


ISSN/ISBN: 0019-5022
Accession: 000481311

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3 nitric phosphate fertilizers with 30, 50 and 70% of their P in water-soluble form were compared with 3 water-soluble sources in a field trial with wheat cv. Kalyan Sona in a calcareous loamy-sand soil in the winter 1971-2. Availability coefficient ratios indicated that nitric phosphate of 70% water-solubility was as efficient as the water-soluble sources, whereas nitric phosphates of 50 and 30% water solubility and rock phosphate were less efficient.

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