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Zinc Deficiency and Fertilization.
(Texas Agricultural Extension Service, 1980)
Iron and Zinc Deficiencies in Field Crops.
(Texas Agricultural Extension Service, 1990)
Vitamins for Beef Cattle.
(Texas Agricultural Extension Service, 1960)
Identifying and Correcting Iron Deficiency in Field Crops.
(Texas Agricultural Extension Service, 1967)
Zinc Deficiency and Fertilization.
(Texas Agricultural Extension Service, 1968)
The Diet of Texas School Children.
(Texas Agricultural Experiment Station, 1934)
Identifying and Correcting Iron Deficiency in Field Crops.
(Texas Agricultural Extension Service, 1969)
Zinc Deficiency and Fertilization.
(Texas Agricultural Extension Service, 1969)
Zinc Deficiency and Fertilization.
(Texas Agricultural Extension Service, 1976)
Iron and Zinc Deficiencies in Field Crops.
(Texas Agricultural Extension Service, 1970)