Yazar
vernon m kirk
3 cilt bulundu.
Cilt sonuçları
Beetles found in woods trash during winter boll weevil surveys
Vernon M. Kirk · Agricultural Research Service, U.S. Dept. of Agriculture in cooperation with South Carolina Agricultural Experiment Station
12 sayfa · 1970
Cotton / Boll weevil / Diseases and pests
A study of the disposition of DDT when used as an insecticide for potatoes
Vernon M. Kirk · Cornell University Agricultural Experiment Station
48 sayfa · 1952
Control / DDT (Insecticide) / Diseases and pests / Potatoes