Результаты поиска

  1. 1

    Vanishing lands A world survey of soil erosion по Jacks, Graham Vernon

    Опубликовано 1972
  2. 2

    Losing ground environmental stress and world food prospects по Eckholm, Erik P.

    Опубликовано 1976
  3. 3
  4. 4

    Evaluation of various management practices for watershed erosion control по Manguerra, Jose D.

    Опубликовано 1999
    Диссертация
  5. 5
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  7. 7

    Land use and environment in Indonesia по Donner, Wolf

    Опубликовано 1987
  8. 8

    Losing ground environmental stress and world food prospects по Eckholm, Erik P.

    Опубликовано 1976
  9. 9

    The land renewed the story of soil conservation. по Van Dersal, William R.

    Опубликовано 1968
  10. 10

    Overgrazing and environmental impact

    Опубликовано 2022