Yazar
e f knipling
9 cilt bulundu.
E. F. Knipling · U.S. Dept. of Agriculture, Agricultural Research Service
54 sayfa · 1964
Insect pests / Biological control / Insect sterilization
E., F. Knipling · University Press of the Pacific
676 sayfa · 2006
Agriculture & Farming / Agriculture - General / Technology / Agriculture & Animal Husbandry / Technology / Technology & Industrial Arts
E. F Knipling · U.S. Dept. of Agriculture, Agricultural Research Service
56 sayfa · 1976
Control / Insect populations / Genetics / Biological control / Insect pests
E. F. Knipling · Dept. of Agriculture Agricultural Research Se
337 sayfa · 1992
Biological control / Biological pest control agents / Insects / Parasites / Insect pests
E. F. Knipling · U.S. Dept. of Agriculture
659 sayfa · 1979
Control / Insect populations / Insect pests
E. F. Knipling · U.S. Agricultural Research Service; [for sale by the Supt. of Docs., U.S. Govt. Print. Off.
34 sayfa · 1971
Insects / Aphidiidae / Host-parasite relationships / Parasites
E. F. Knipling · Agricultural Research Service
44 sayfa · 1968
Entomophagons insects / Biological control / Insects / Insect pests / Trichogramma
E. F. Knipling · Agricultural Research Service; [for sale by the Supt. of Docs., U.S. Govt. Print. Off.
20 sayfa · 1966
Insect pests / Biological control / Insect sex attractants