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Graphs, Charts and Other Forms of Data
Photograph of a chart measuring the soil building practice of rotations, including hubam sweet clover [for] increases [in] crop production. Yields measured in bushels per acre. Covers years 1941 - 1943 and their averaging. Blackland Experiment Station, Temple, Texas.
Date:
unknown
Creator:
unknown
System:
The Gateway to Oklahoma History
Graphs, Charts and Other Forms of Data
Photograph of soil conserving and soil building practices of winter cover crops [in the] increase [of] crop yields. Yields measured in pounds of seeds per acre and root rot as the percentage of plants dead by August 2. Year: 1943. Blackland Experiment Station, Temple, Texas.
Date:
unknown
Creator:
unknown
System:
The Gateway to Oklahoma History
Graphs, Charts and Other Forms of Data
Photograph of a chart measuring the soil conserving practice of terracing [as it] increases crop production. Cotton yields measured in pounds per acre and corn measured in bushels per acre for years 1936 to 1939 and with the four years of each crop averaged. Blackland Experiment Station, Temple, Texas.
Date:
unknown
Creator:
unknown
System:
The Gateway to Oklahoma History
Graphs, Charts and Other Forms of Data
Photograph of a chart of the soil conserving practice of controlled grazing [as it] improves [the] quality of meadow hay. Hay yields measured in tons per acre and weeds as the total percent of the hay, for the years 1940 to 1943, including average. Blackland Experiment Station, Temple, Texas.
Date:
unknown
Creator:
unknown
System:
The Gateway to Oklahoma History
Graphs, Charts and Other Forms of Data
Photograph of a chart measuring the soil building practice of rotations, including hubam sweet clover [for] increases [in] crop production. Yields measured in bushels per acre. Covers years 1941 - 1943 and their averaging. Blackland Experiment Station, Temple, Texas.
Date:
unknown
Creator:
unknown
System:
The Gateway to Oklahoma History
Graphs, Charts and Other Forms of Data
Photograph of a chart measuring the increased severity of erosion [as it] reduces crop yields. Yields of corn and oats measured in pounds per acre, a 5 year average from 1939 to 1943. Blackland Experiment Station, Temple, Texas.
Date:
unknown
Creator:
unknown
System:
The Gateway to Oklahoma History
Graphs, Charts and Other Forms of Data
Photograph of a chart measuring how saving the soil saves plant food which is essential to crop production. Chart shows the annual soil loss measured in surface inches and the cost of replacing plant food elements (nitrogen, phosphorus and potassium) measured in dollars per acre, both for the years 1933 to 1938. Blackland Experiment Station, Temple, Texas.
Date:
unknown
Creator:
unknown
System:
The Gateway to Oklahoma History