تاريخ الإصدار
خيارات البحث
النتائج 1 - 2 من 2
Protecting cotton from insects and plant diseases
1942
Fenton, F. A. (Frederick Azel) | Chester, K. Starr (Kenneth Starr)
National Agricultural Library - United States of America
Experiments toward the control of the take-all disease of wheat and the Phymatotrichum root rot of cotton النص الكامل
1942
Clark, F. E. (Francis Eugene)
National Agricultural Library - United States of America
