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Authors White, G.A. Remove constraint White, G.A.: White, G.A. Series Yearbook of agriculture Remove constraint Yearbook of agriculture: Yearbook of agriculture

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1. 50 pct. more crop output seen by 2000

Author:: Kehr, A.E. , Tatum, L.A. , White, G.A.
Subject:: government and administration , agricultural economics , agribusiness
Physical description:: p. 324-330.
Series:: Yearbook of agriculture
Part Of:: Yearbook of agriculture. 1971

2. The plants that followed people.

Author:: Sharp, W.C. , White, G.A. , Briggs, J.A.
Subject:: natural resource management , crop production , soil erosion , field crops , history , United States
Physical description:: p. 54-58.
Collection:: Rural Development Publications Collection
Series:: Yearbook of agriculture
Part Of:: Yearbook of agriculture. 1987