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Now showing items 51-54 of 54
Commercial Feeding Stuffs
(Texas Agricultural Experiment Station, 1911)
Commercial Fertilizers in 1920-21.
(Texas Agricultural Experiment Station, 1921)
Availability of Some Nitrogenous and Phosphatic Materials.
(Texas Agricultural Experiment Station, 1922)
Commercial Fertilizers in 1926-27.
(Texas Agricultural Experiment Station, 1927)