Yazar
Freeman Weiss
13 cilt bulundu.
Freeman Weiss · U.S. Dept. of Agriculture
Sayfa sayısı yok · 1940
Powdery mildew diseases / Ornamental Plants / Diseases and pests
Freeman Weiss · Plant Disease Survey, Division of Mycology and Disease Survey, Bureau of Plant Industry, Soils, and Agricultural Engineering, Agricultural Research Administration, United States Department of Agriculture
80 sayfa · 1945
Legumes / Virus diseases of plants / Diseases and pests / Forage plants
Freeman Weiss · Plant Disease Survey, Division of Mycology and Disease Survey, Bureau of Plant Industry, Soils, and Agricultural Engineering, Agricultural Research Administration, United States Department of Agriculture
140 sayfa · 1945
Potatoes / Virus diseases of plants / Diseases and pests
Freeman A. Weiss · U.S. Dept. of Agriculture, Bureau of Plant Industry
Sayfa sayısı yok · 1929
Seed potatoes / Diseases and pests / Control
Freeman A. Weiss · U.S. Dept. of Agriculture
22 sayfa · 1923
Potato wart / Potatoes / Diseases and pests
Yair Weiss, William T. Freeman · Morgan & Claypool Publishers
Sayfa sayısı yok · 2013
Computer algorithms
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