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		No cover image available Nitrogenous soil constituents and their bearing on soil fertility by Schreiner, Oswald, Skinner, J.J Series: Soil, Fertility United States Department of Agriculture, Bureau of Soils.Bulletin No. 87 Material type: Text Publication details: Washington 1912 Availability: Items available for loan: Prof. M S Swaminathan Library, ICAR: Indian Agricultural Research Institute (1)Call number: X-1. Place hold Add to cart (remove)

		No cover image available Organic compounds and fertilizer action by Schreiner, Oswald, Skinner, J.J Series: Fertilizer United States Department of Agriculture, Bureau of Soils.Bulletin No. 77 Material type: Text Publication details: Washington 1911 Availability: Items available for loan: Prof. M S Swaminathan Library, ICAR: Indian Agricultural Research Institute (1)Call number: X-1. Place hold Add to cart (remove)

ICAR-Indian Agricultural Research Library