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shwu eng webb
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Cilt sonuçları
Idling erodible cropland
Shwu-Eng Webb · Copies purchased from the Supt. of Docs., U.S. G.P.O.
31 sayfa · 1986
Agricultural conservation / Agricultural price supports / Agriculture / Agriculture and state / Economic aspects of Agriculture
Economic realignments affecting trade
Shwu-Eng H Webb · U.S. Dept. of Agriculture, Economic Research Service
Sayfa sayısı yok · 1993
Commerce / Economic conditions
Models for evaluating economic impacts of policy changes
Shwu-Eng Webb · U.S. Dept. of Agriculture, Economic Research Service, Natural Resource Economics Division
27 sayfa · 1984
Agriculture and state
1979 pesticide use on vegetables in the Midwest
Shwu-Eng Webb · Natural Resource Economics Division, Economic Research Service, U.S. Dept. of Agriculture
93 sayfa · 1981
Pesticides / Vegetables