Abstracts of Recent Published Material on Soil and Water Conservation United States. Agricultural Research Service. Soil and Water Conservation Research Division Published: Total Pages: 726 Get eBook
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Soil and Crop Studies at the Big Spring (Texas) Field Station, 1916-53 Fred Earl Keating Published: 1957 Total Pages: 1484 Get eBook
Toward Meeting Soil and Water Conservation Research Needs United States. Agricultural Research Service Published: 1955 Total Pages: 780 Get eBook