Soils, Soil Erosion, Soil Conservation & Crop Management

Photograph of the appearance of delayed subtilled fallow plot immediately after the first cultivation. 3300 pounds of surface residue per acre, 56% of the original. TX-R-4, 1778.
Date: July 25, 1950
Creator: unknown
System: The Gateway to Oklahoma History

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