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Soils, Soil Erosion, Soil Conservation & Crop Management
Photograph of the appearance of subtilled fallow plot after four cultivations. Plot SM 6. 3500 pounds of surface residue per acre, 57% of the original. TX-R-4, 1781.
Date:
July 17, 1950
Creator:
unknown
System:
The Gateway to Oklahoma History
Grass, Legume and Forb Cultivation
Photograph of a poor cow on poor pasture.
Date:
August 17, 1950
Creator:
Hodson, Edgar A.
System:
The Gateway to Oklahoma History