Browsing by Subject "seasonal variation"
Now showing items 21-30 of 30
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(Texas Agricultural Extension Service, 1971)
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(Texas Agricultural Extension Service, 1963)
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(Texas Agricultural Experiment Station, 1957)
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(Texas Agricultural Experiment Station, 1957)
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(Texas Agricultural Extension Service, 1964)
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(Texas Agricultural Extension Service, 1957)
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(Texas Agricultural Extension Service, 1959)
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(Texas Agricultural Experiment Station, 1955)
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(Texas Agricultural Experiment Station, 1960)
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(Texas Agricultural Experiment Station, 1954)