Yazar
oliver i snapp
9 cilt bulundu.
Oliver I. Snapp · U.S. Dept. of Agriculture
19 sayfa · 1924
Spraying and dusting in agriculture / Peach / Diseases and pests / Curculio / Control
Oliver I. Snapp · U.S. Dept. of Agriculture
19 sayfa · 1923
Peach / Diseases and pests / Peach-tree borer / Control
Oliver I. Snapp · U.S. Dept. of Agriculture
30 sayfa · 1922
Peach / Diseases and pests / Curculio / Control / Brown rot of fruit
Oliver I. Snapp · U.S. Dept. of Agriculture
12 sayfa · 1931
Control / Peach-tree borer / Peach / Diseases and pests
Oliver I. Snapp · U.S. Dept. of Agriculture
32 sayfa · 1927
Peach / Diseases and pests / Brown rot of fruit / Control / Peach-scab
Oliver I. Snapp · U.S. Dept. of Agriculture
16 sayfa · 1929
Oriental fruit moth / Peach / Diseases and pests
Oliver I. Snapp · U.S. Dept. of Agriculture
40 sayfa · 1928
Control / Peach-tree borer / Peach / Diseases and pests