Yazar
c p gillette
4 cilt bulundu.
Cilt sonuçları
Orchard plant lice and their remedies
C. P. Gillette, E. P. Taylor · Agricultural Experiment Station of the Agricultural College of Colorado
16 sayfa · 1908
Aphids / Control
Apiary experiments
C. P. Gillette, Colorado Agricultural Experiment Station · Agricultural Experiment Station of the Agricultural College of Colorado
28 sayfa · 1900
Bee culture / Honeycombs
Insects and insecticides
C. P. Gillette, Colorado Agricultural Experiment Station · Agricultural Experiment Station of the Agricultural College of Colorado
40 sayfa · 1902
Insect pests / Insecticides