Showing 81 - 100 results of 3,322 for search '', query time: 0.26s Refine Results
  1. 81
    A separable programming analysis of U.S. agricultural export, price and income, and soil conservation policies in 1985 /
    by Boggess, William G.
    Published 1980
    Book
  2. 82
    Research on grassland, forage crops and the conservation of vegetation in the United States of America /
    Book
  3. 83
    Economics and the environment : impacts of erosion restraints on crop production in the Iowa River Basin /
    Book
  4. 84
    Farms in transition : interdisciplinary perspectives on farm structure /
    Published 1983
    Book
  5. 85
    Effects of beef feeding practices and conservation farming systems on the interregional pattern of crop and beef production /
    by Vocke, Gary F.
    Published 1978
    Book
  6. 86
    The foundations of conservation education.
    Published 1941
    Book
  7. 87
    Biology and civil engineering ; proceedings of the Conference held at the Institution, September l948.
    Published 1949
    Conference Proceeding Book
  8. 88
    The American oasis ; the land and its uses /
    Book
  9. 89
    Soil, food and health. : "You are what you eat." /
    by Forman, Jonathan, 1887-
    Published 1948
    Book
  10. 90
    Water resources protection technology : a handbook of measures to protect water resources in land development /
    Book
  11. 91
    Soil conservation and management in the humid tropics /
    Published 1977
    Conference Proceeding Book
  12. 92
    Approved practices in soil conservation /
    by Bosworth, Duane A.
    Published 1982
    Book
  13. 93
    Soil erosion : prediction and control : the proceedings of a National Conference on Soil Erosion, May 24-26, 1976, Purdue University, West Lafayette, Indiana.
    Published 1977
    Conference Proceeding Book
  14. 94
    Studies of soil erosion and sedimentation in Tanzania /
    Published 1973
    1850-9999
    Book
  15. 95
    Soil conservation in the Southeast, 1933-1953 /
    by Buie, T. S.
    Published 1973
    Book
  16. 96
    The economics of soil and water conservation practices in Iowa : results and discussion /
    by Pope, C. Arden
    Published 1983
    Book
  17. 97
    Competition for land in the American South : agriculture, human settlement, and the environment /
    by Healy, Robert G.
    Published 1985
    Book
  18. 98
    Erosion and sediment control programs : six case studies, Maryland, Virginia, Pennsylvania, Ohio, Iowa, Montana /
    Published 1976
    Book
  19. 99
    A manual on conservation of soil and water : handbook for professional agricultural workers.
    Published 1954
    Government Document Book
  20. 100
    Conservacion de suelos /
    by Suárez de Castro, Fernando
    Published 1979
    Book
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