Yazar
samuel b detwiler
16 cilt bulundu.
Samuel B. Detwiler · U.S. Dept. of Agriculture, Bureau of Agricultural Chemistry and Engineering
98 sayfa · 1941
Molecular Distillation / Abstracts
Samuel B. Detwiler · U.S. Dept. of Agriculture
Sayfa sayısı yok · 1933
Control / Diseases and pests / European black currant / Blister rust
George M. Darrow, Samuel B. Detwiler, United States. Department of Agriculture. National Agricultural Library. · U.S. Dept. of Agriculture
40 sayfa · 1919
Currants / Diseases and pests / Gooseberries / Blister rust / Control
Samuel B. Detwiler, G. P. Clinton, Florence A. McCormick, W. S. Regan, American Plant Pest Committee · American Plant Pest Committee
12 sayfa · 1919
Kategori yok
G. P. Clinton, Samuel B. Detwiler, W. S. Regan, Perley Spaulding, W. A. McCubbin, Haven Metcalf, American Plant Pest Committee · American Plant Pest Committee
16 sayfa · 1918
Plant parasites / Periodicals