Elements of Plant Protection
Pyenson, L. Louis
Elements of Plant Protection - New York John Wiley and Sons Inc. 1951 - 538
Agriculture and related technologies
Technology (Applied sciences)
Control Plant diseases
632.9 / P98E
Elements of Plant Protection - New York John Wiley and Sons Inc. 1951 - 538
Agriculture and related technologies
Technology (Applied sciences)
Control Plant diseases
632.9 / P98E