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Fertilizer Recommendations for Texas.
(Texas Agricultural Extension Service, 1952)
Fertilizer Recommendations for Texas--1948-1949.
(Texas Agricultural Extension Service, 1948)
Fertilizer Recommendations for Texas.
(Texas Agricultural Extension Service, 1949)
Fertilizer Recommendations for Texas.
(Texas Agricultural Extension Service, 1950)
The Use of Soil Tests.
(Texas Agricultural Extension Service, 1948)