Yazar
freeman a weiss
3 cilt bulundu.
Cilt sonuçları
Investigations of potato wart
Freeman A. Weiss · U.S. Dept. of Agriculture
22 sayfa · 1923
Potato wart / Potatoes / Diseases and pests
Disinfecting seed potatoes
Freeman A. Weiss · U.S. Dept. of Agriculture, Bureau of Plant Industry
Sayfa sayısı yok · 1929
Seed potatoes / Diseases and pests / Control
Culture, diseases, and pests of the box tree
Freeman Weiss, R. A. St. George, United States. Department of Agriculture. National Agricultural Library. · U.S. Dept. of Agriculture
18 sayfa · 1940
Boxwood / Diseases and pests