Fertilizers for cotton soils
Skinnerm J.J.
Fertilizers for cotton soils - Washington 1931 - 1-9 p. - Fertilizers, Cotton, Soils United States Department of Agriculture. Miscellaneous Publication No. 126 .
Fertilizers for cotton soils - Washington 1931 - 1-9 p. - Fertilizers, Cotton, Soils United States Department of Agriculture. Miscellaneous Publication No. 126 .