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  1. 1
    Soil taxonomy: a basic system of soil classificationfor making and interpreting soil surveys

    Soil taxonomy: a basic system of soil classificationfor making and interpreting soil surveys 由 SOIL ..

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  2. 2
    Soil and water conservation engineering.-- ed.2

    Soil and water conservation engineering.-- ed.2 由 SOIL AND WATER..

    出版 1966
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  3. 3
    Soil survey manual: USDA

    Soil survey manual: USDA 由 SOIL SURVEY MANUAL

    出版 1989
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  4. 4
    Soil erosion and its control/editor R.P.C. Morgan

    Soil erosion and its control/editor R.P.C. Morgan 由 SOIL EROSION AND ITS CONTROL

    出版 1986
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