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NAYAK, A. K.; SHARMA, D. K.; MISHRA, V. K.; JHA, S. K. Effect of Phosphogypsum Amendment on Fluoride Content of Soil and Plants under Rice (Oryza sativa)–wheat(Triticum Aestivum) System in Sodic Soil of Indo-Gangetic Plains. Indian J Agri Sci 2011, 79 (8).