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soil erosion united states
Soil conservation
by Hugh hammond Bennett
Bok Engelsk 1939 · Vis mer
Soil erosion and crop productivity
editors, R.F. Follett and B.A. Stewart
Bok Engelsk 1985 · Vis mer
Erosion and soil productivity : proceedings of the National Symposium on Erosion and Soil Productivity, December 10-11, 1984, Hyatt Regency New Orleans, New Orleans, Louisiana
National Symposium on Erosion and Soil Productivity
Bok Engelsk 1985 · Vis mer
Erosion and sediment control handbook
Steven J. Goldman, Katharine Jackson, Tar...
Bok Språk ikke angitt 1986 · Vis mer
Soil conservation and afforestation in Shinyanga region : potentials and constraints
Edmund Barrow, Mary Kebelele, Idris Kikul...
Bok Engelsk 1988 · Vis mer
The land renewed : the story of soil conservation
by William R. Van Dersal and Edward H. Gr...
Bok Engelsk 1946 · Vis mer
Agricultural soil loss : processes, policies, and prospects
edited by John M. Harlin and Gigi M. Bera...
Bok Engelsk 1987 · Vis mer
Management and restoration of fluvial systems with broad historical changes and human impacts
edited by L. Allan James, Sara L. Rathbur...
Bok Engelsk · Vis mer