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  1. 1
    Handbook of soil, fertilizer and manure
    由 Gupta,P.K
    出版 2007
    Printed Book
  2. 2
    Soils and soil fertility
    由 Troeh, Frederick R
    出版 2008
    Printed Book
  3. 3
    Factors of soil formation: a system of quantitative pedology
    由 Jenny, Hans
    出版 1941
    Printed Book
  4. 4
    Soil and geomorphology/
    由 Peter W Birkeland
    出版 1999
    Printed Book
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