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Agronomic work on the Big Spring, Tex., Field Station--1915-1929
- Keating, F. E. (Fred Earl)
- Circular / United States Department of Agriculture ; no. 202 1932
- Cropping systems -- Texas, Tillage -- Texas, Field experiments -- Texas, climatic factors, field experimentation, crop rotation, tillage, small grains, and grain crops
- 32 p. : charts ; 23 cm.
- U.S. Dept. of Agriculture
- Organic Roots Collection