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Crop Fertilization on Texas Blackland and Grand Prairie Soils.
(Texas Agricultural Extension Service, 1971)
Crop Fertilization on East Texas Soils.
(Texas Agricultural Extension Service, 1974)
Crop Fertilization on East Texas Soils.
(Texas Agricultural Extension Service, 1971)
Crop Fertilization on Rolling Plains, Central Prairies and Cross Timbers Soils.
(Texas Agricultural Extension Service, 1971)
Field Crop Fertilization on Texas Blackland and Grand Prairie Soils.
(Texas Agricultural Extension Service, 1980)
Field Crop Fertilization on Texas Blackland and Grand Prairie Soils.
(Texas Agricultural Extension Service, 1980)