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Subjects United States Remove constraint United States: United States Subjects tillage Remove constraint tillage: tillage Subjects land Remove constraint land: land

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1. Some of the world's best farmland is here.

Author:: Birdwell, B.T.
Subject:: tillage , soil , agricultural land , crops , soil erosion , land , soil classification , United States
Physical description:: p. 91-93.
Collection:: Rural Development Publications Collection
Series:: Yearbook of agriculture
Part Of:: Yearbook of agriculture. 1987

2. The land is shaped by weather and climate.

Author:: Strommen, N.D. , McArdle, R.C.
Subject:: climatic zones , weather , land , wind , water , solar energy , crops , tillage , irrigation , United States
Physical description:: p. 238-242.
Collection:: Rural Development Publications Collection
Series:: Yearbook of agriculture
Part Of:: Yearbook of agriculture. 1987