يعرض 1 - 10 نتائج من 11 نتيجة بحث عن '', وقت الاستعلام: 0.02s تنقيح النتائج
  1. 1

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

    منشور في 2014
    كتاب

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

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

    منشور في 2000
    كتاب

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

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

    منشور في 1994
    كتاب

    Humus chemistry genesis, composition, reactions.
  4. 4

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

    منشور في 1993
    كتاب

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

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

    منشور في 1982
    كتاب

    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

    منشور في 1975
    كتاب

    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 حسب Allison, Franklin Elmer 1892-1972

    منشور في 1973
    كتاب

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

    Humic substances in the environment حسب Schnitzer, M.

    منشور في 1972
    كتاب

    Humic substances in the environment
  9. 9

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

    منشور في 1966
    كتاب

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

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

    منشور في 1945
    كتاب

    Pay dirt; farming & gardening with composts

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