States
Counties
Day
3 Matching Results
Results open in a new window/tab.
Results:
1 - 3 of
3
Red Plains Conservation Experiment Station Plots 4, 5, 6, & 7
Photograph of plots 4, 5, 6, and 7 on the Red Plains Conservation Experiment Station. The back of the photograph proclaims, "Plots 4, 5, 6, and 7 of the Control Plots established in 1929 to record soil and water losses from different kinds of cover and cropping systems, on Stevensville Fine Sandy Loam with 7.7% slope. Plots 5, 6, and 7 are the rotation studies."
Date:
September 2, 1949
Creator:
Postlethwaite, Hermann
System:
The Gateway to Oklahoma History
Red Plains Conservation Experiment Station Plots 8, 9, and 10
Photograph of plots 8, 9, and 10 on the Red Plains Conservation Experiment Station. The back of the photograph proclaims, "Plots 8, 9, and 10 of the Control Plots established in 1929 to record soil and water losses from different kinds of cover and cropping systems, on Stevensville Fine Sandy Loam with 7.7% slope. Plots 8, 9, and 10 are the effect of cover studies."
Date:
September 2, 1949
Creator:
Postlethwaite, Hermann
System:
The Gateway to Oklahoma History
Red Plains Conservation Experiment Station Plots 1, 2, & 3
Photograph of plots 1, 2, and 3 on the Red Plains Conservation Experiment Station. The back of the photograph proclaims, "Plots 1, 2, and 3 of the Control Plots established in 1929 to record soil and water losses from different kinds of cover and cropping systems, on Stevensville Fine sandy Loam with 7.7% slope. Plots 1, 2, and 3 are the length of slope studies."
Date:
September 2, 1949
Creator:
Postlethwaite, Hermann
System:
The Gateway to Oklahoma History