Economic and technical analysis of fertilizer innovations and resource use

edited by E. L. Baum [and others]
Bok · Engelsk · 1957 E.L. Baum

Utgitt	Ames, Iowa : Iowa State College Press , [1957]
Omfang	393 s. : ill.
Emner	Agriculture - Economic aspects - United States Fertilizer industry - United States Fertilizers