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Commercial Fertilizers in 1936-37.
(Texas Agricultural Experiment Station, 1937)
Commercial Fertilizers in 1937-38.
(Texas Agricultural Experiment Station, 1938)
Commercial Fertilizers in 1938-39 and Their Uses.
(Texas Agricultural Experiment Station, 1939)
Commercial Fertilizers in 1934-35.
(Texas Agricultural Experiment Station, 1935)
Commercial Fertilizers in 1932-33.
(Texas Agricultural Experiment Station, 1933)