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    Experimental designs for predicting crop productivity with environmental and economic inputs for agrotechnology transfer /

    Published 1981
    Conference Proceeding Book
  4. 4

    FAO soils bulletin.

    Published 1966
    Book
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    Soil biotechnology : microbiological factors in crop productivity / by Lynch, J. M.

    Published 1983
    Book
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    Soil constraints on sustainable plant production in the tropics : [proceedings...]

    Published 1991
    Conference Proceeding Book
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