Fungus and insect pests of growing vegetable crops
Lochhead, W.M., Jarvis, T.D.
Fungus and insect pests of growing vegetable crops - Toronto 1906 - 1-34 p. - Insects, Crops, Vegetable Ontario Agricultural College. Bulletin No. 150 .
Fungus and insect pests of growing vegetable crops - Toronto 1906 - 1-34 p. - Insects, Crops, Vegetable Ontario Agricultural College. Bulletin No. 150 .