Fertility studies of three Kansas soils, i.e. Ladysmith, Geary and Sarpy with special reference to cation exchange and clay minerals

Yaseen, Mohammad.2015-12-312015-12-311959http://hdl.handle.net/2097/25376Call number: LD2668 .T4 1959 Y38Soil fertility.Fertility studies of three Kansas soils, i.e. Ladysmith, Geary and Sarpy with special reference to cation exchange and clay mineralsTextMasters theses