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  1. 1

    Advances in soil organic matter research: the impact on agriculture and the environment /

    Published 1991
    Book
  2. 2

    An Agricultural testament / by Howard, Albert, Sir, 1873-1947

    Published 1943
    Book
  3. 3

    Extraction of macro organic matter from soil / by Holt, J. A.

    Published 1980
    Book
  4. 4

    Humic substances in soil, sediment, and water geochemistry, isolation, and characterization

    Published 1985
    Book
  5. 5
  6. 6

    Humus acids of soils / by Orlov, D. S. (Dmitrii Sergeevich)

    Published 1985
    Book
  7. 7

    The methods of Jean Pain or another kind of garden / by Pain, Ida

    Published 1980
    Book
  8. 8

    Organic matter and soils / by Handreck, Kevin Arthur

    Published 1979
    Book
  9. 9

    The Role of organic matter in modern agriculture /

    Published 1986
    Book
  10. 10

    Soil management : compost production and use inthe tropical and subtropical environments / by Dalzell, H. W.

    Published 1987
    Book
  11. 11

    Soil organic matter

    Published 1978
    Book
  12. 12

    Soil organic matter : analysis and interpretation /

    Published 1996
    Book
  13. 13

    Soil organic matter and biological activity /

    Published 1985
    Book
  14. 14

    Soil organic matter and its role in crop production by Allison, Franklin E. (Franklin Elmer), 1892-1972

    Published 1973
    Book
  15. 15

    Soil organic matter : biological and ecological effects / by Tate, Robert L., 1944-

    Published 1987
    Book
  16. 16