You limited your search to:
Decade:
1930-1939
Year:
1937
Language:
English
Collection:
Government Documents A to Z Digitization Project
Collection:
Environmental Policy Collection
Nitrogen-fixing bacteria and legumes.
Date: December 1937
Creator: Leonard, Lewis T. (Lewis Thompson), 1885-
Description: Describes the importance of nitrogen-fixing bacteria on crops of legumes.
Contributing Partner: UNT Libraries Government Documents Department
Permallink:digital.library.unt.edu/ark:/67531/metadc3406/
Soil and water conservation in the Pacific Northwest.
Date: July 1937
Creator: Rowalt, E. M.
Description: Describes types of erosion and methods for preventing the erosion of soil by water and wind.
Contributing Partner: UNT Libraries Government Documents Department
Permallink:digital.library.unt.edu/ark:/67531/metadc3407/