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1978 Small Grains Performance Trials
Alvin Reid Southard, Gary Haight Richardson, Roice H. Anderson, Rulon S. Albrechtsen, Theodore W. Daniel, Wade G. Dewey · Yayınevi bilinmiyor
1002 sayfa · 1979
Agriculture
The Rewards of Public Service
Robert W. Hartman, Arnold Robert Weber · Washington, D.C. : Brookings Institution
262 sayfa · 1980
Law
A Review of Crop Requirements for Potato Production with Emphasis in Tropical and Subtropical Regions
Andres Gian Aluja, Jan W. Low, Luis Alberto Manrique, Randolph Barker, Robert E. McDowell, Robert Hart, Shelley Feldman, Simei Wen · Yayınevi bilinmiyor
388 sayfa · 1985
Agricultural productivity