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		No cover image available Effect of seasonal conditions and soil treatment on bacteria and molds in soil by Brown, P.E., Halversen, W.V Series: Iowa Agricultural Experiment Material type: Text; Format: print ; Literary form: Not fiction Publication details: Iowa 1919 Availability: Items available for loan: Prof. M S Swaminathan Library, ICAR: Indian Agricultural Research Institute (1). Place hold Add to cart (remove)

		No cover image available Study of the biological activities in certain acid soils by Halversen, W.V Series: Biology, Acid, Soil Oregon Agricultural Experiment Station. Bulletin No. 211 Material type: Text Publication details: Oregon 1925 Availability: Items available for loan: Prof. M S Swaminathan Library, ICAR: Indian Agricultural Research Institute (1)Call number: 563 X-1. Place hold Add to cart (remove)

ICAR-Indian Agricultural Research Library