Author: Iowa State University. Dept. of AgronomyPublisher:
ISBN:
Category : Soils
Languages : en
Pages : 76
Book Description
The more important changes which have been made in the classification of the major soils of Iowa since about 1950.
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Author: Iowa State University. Dept. of AgronomyPublisher:
ISBN:
Category : Soils
Languages : en
Pages : 76
Book Description
The more important changes which have been made in the classification of the major soils of Iowa since about 1950.
Author: Iowa State University. Dept. of Agronomy
Author: Iowa Agricultural Experiment Station
Author: Frank Frederick Riecken
Author: 
Author: R. H. Walker
Author: 
Author: Iowa Agriculture and Home Economics Experiment Station
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Author: Thomas H. Benton
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