Yazar
Hilary Odom
1 cilt bulundu.
Cilt sonuçları
Russian wheat aphid biological control project manual
Robert Flanders, Hilary Odom · U.S. Dept. of Agriculture, Animal and Plant Health Inspection Service, Professional Development Center
Sayfa sayısı yok · 1992
Russian wheat aphid / Biological control / Wheat / Diseases and pests