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Showing 1 - 5 results of 5 for search '"Soil fertility"' Refine Results
  1. 1
    Characterization of soils : in relation to their classification and management for crop production : examples from some areas of the humid tropics / edited by D.J. Greenland.
    Published 1981
    Subjects: '; “...Soil fertility...”
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  2. 2
    Soil physical conditions and crop production : proceedings of a conference organized by the soil scientists of the Agricultural Development and Advisory Service, January 3-5, 1972.
    Published 1975
    Subjects: '; “...Soil fertility Congresses...”
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  3. 3
    Biology and fertility of soils
    Subjects: '; “...Soil fertility Periodicals....”
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  4. 4
    Basic technics in ecological farming : papers presented at the 2nd international conference held by the IFOAM, Montreal, October 1-5, 1978 ; The Maintenance of soil fertility : exposés présentés à la 3 ème conférence internationale organisée par IFOAM, Bruxelles, du 3 au 5 Septembre 1980 / edited by Stuart Hill, Pierre Ott.
    Published 1982
    Subjects: '; “...Soil fertility Congresses...”
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  5. 5
    Humic substances in soils, peats and waters : health and environmental aspects / edited by M.H.B. Hayes, W.S. Wilson.
    Published 1997
    Subjects: '; “...Soil fertility Congresses...”
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