Crofton, Joseph Celester.2015-12-312015-12-311947http://hdl.handle.net/2097/24414LD2668 .T4 1947 C7Nitrogen fertilizers.Wheat.The effect of nitrogen fertilizer on nitrification and accumulation of organic matter in the soil, and yield and composition of wheat following normal and excessive applications of straw in pot culturesTextMasters theses