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		No cover image available Maintaining fertility in the wisconsin drift soil area of iowa by Stevenson, W.H., Brown, P.E., Forman, L.W Series: Iowa Agricultural Experiment Material type: Text; Format: print ; Literary form: Not fiction Publication details: Iowa 1915 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 Economic value of farm manure as a fertilizer on Iowa soils by Stevenson, W.H., Brown, P.E., Forman, L.W Series: Iowa Agricultural Experiment Material type: Text; Format: print ; Literary form: Not fiction Publication details: Ames 1926 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 Crop returns under various rotation in the Wisconsin drieft soil area by Stevenson, W.H., Brown, P.E., forman, L.W Series: Iowa Agricultural Experiment Material type: Text; Format: print ; Literary form: Not fiction Publication details: Ames 1926 Availability: Items available for loan: Prof. M S Swaminathan Library, ICAR: Indian Agricultural Research Institute (1). Place hold Add to cart (remove)

ICAR-Indian Agricultural Research Library