Yazar
Michael Hanthorn
6 cilt bulundu.
Michael Hanthorn · Natural Resource Economics Division, Economic Research Service, U.S. Dept. of Agriculture
32 sayfa · 1982
Soybean / Diseases and pests / Pesticides
Michael Hanthorn · Natural Resource Economics Division, Economic Research Service, U.S. Dept. of Agriculture
32 sayfa · 1982
Pesticides / Soybean / Diseases and pests
Michael Hanthorn · Natural Resource Economics Division, Economic Research Service, U.S. Dept. of Agriculture
23 sayfa · 1982
Corn / Disease and pest resistance / Pesticides
Michael Hanthorn · Supt. of Docs., U.S. G.P.O., [distributor
13 sayfa · 1983
Control / Corn / Diseases and pests / Pests
Michael Hanthorn · U.S. Dept. of Agriculture, Economic Research Service
54 sayfa · 1986
Agricultural machinery industry / Statistics
Michael Hanthorn · U.S. Dept. of Agriculture, Economic Research Service
33 sayfa · 1987
Agricultural credit / Agriculture and state / Farm produce / Finance / Government policy