Availability of soil potassium as affected by mulching with black polyethylene plastic

Wagner, Don F.(Don Franklin)2015-12-312015-12-311961http://hdl.handle.net/2097/25587Call number: LD2668 .T4 1961 W34Soils--Potassium content.Mulching.Availability of soil potassium as affected by mulching with black polyethylene plasticTextMasters theses