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  1. 1

    Humic matter in soil and the environment principles and controversies מאת Tan, Kim H. 1926-

    יצא לאור 2014
    ספר

    Humic matter in soil and the environment principles and controversies
  2. 2

    Nurturing the soil - feeding the people an introduction to sustainable organic agriculture מאת Scheewe, Winfried

    יצא לאור 2000
    ספר

    Nurturing the soil - feeding the people an introduction to sustainable organic agriculture
  3. 3

    Humus chemistry genesis, composition, reactions. מאת Stevenson, F.J

    יצא לאור 1994
    ספר

    Humus chemistry genesis, composition, reactions.
  4. 4

    Nurturing the soil - feeding the people an introduction to sustainable organic agriculture מאת Scheewe, Winfried

    יצא לאור 1993
    ספר

    Nurturing the soil - feeding the people an introduction to sustainable organic agriculture
  5. 5

    Humus chemistry genesis, composition, reactions מאת Stevenson, F. J.

    יצא לאור 1982
    ספר

    Humus chemistry genesis, composition, reactions
  6. 6

    Humic substances, their structure and function in the biosphere proceedings of an international meeting held at Nieuwersluis, the Netherlands, May 29-31, 1972

    יצא לאור 1975
    ספר

    Humic substances, their structure and function in the biosphere proceedings of an international meeting held at Nieuwersluis, the Netherlands, May 29-31, 1972
  7. 7

    Soil organic matter and its role in crop production מאת Allison, Franklin Elmer 1892-1972

    יצא לאור 1973
    ספר

    Soil organic matter and its role in crop production
  8. 8

    Humic substances in the environment מאת Schnitzer, M.

    יצא לאור 1972
    ספר

    Humic substances in the environment
  9. 9

    Soil organic matter; its nature, its role in soil formation and in soil fertility מאת Kononova, M M

    יצא לאור 1966
    ספר

    Soil organic matter; its nature, its role in soil formation and in soil fertility
  10. 10

    Pay dirt; farming & gardening with composts מאת Rodale, Jerome Irving 1898-

    יצא לאור 1945
    ספר

    Pay dirt; farming & gardening with composts

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