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  1. 1

    Environmental measurement and interpretation by Platt, Robert B, Griffiths, John F

    Published 1964
    Book
  2. 2

    An introduction to the scientific study of the soil by Townsend, W. N

    Published 1973
    Book
  3. 3

    Soil organic matter by Schnitzer, M, Khan, Shahed U. M

    Published 1978
    Book
  4. 4
  5. 5

    Suelos agrícolas: su conservación y fertilización by Worthen, Edmound L, Aldrich, Samuel R

    Published 1967
    Book
  6. 6

    Ecología vegetal by Weaver, John E, Clements, Frederic E

    Published 1950
    Book
  7. 7

    Methods of soil analysis by Black, C. A, Evans, D. D, Ensminger, L. E, White, J. L, Clark, F. E

    Published 1965
    Book
  8. 8

    Potasa: su necesidad y uso en agricultura moderna

    Published 1990
    Book
  9. 9

    Fundamentos de la ciencia del suelo by Foth, Henry D

    Published 1985
    Book
  10. 10

    Methods of soil analysis by Klute, Arnold

    Published 1986
    Book
  11. 11

    Methods of soil analysis by Dick, Warren A

    Published 2002
    Book
  12. 12

    Methods of soil analysis by Bighamn, J. M

    Published 1996
    Book
  13. 13

    Methods of soil analysis by Mickelson, S. H.

    Published 1994
    Book
  14. 14

    Applied bioremediation and phytoremediation by Singh, Ajay, Ward, Owen P

    Published 2004
    Book
  15. 15

    Potash facts by Gething, P. A

    Published 2005
    Book
  16. 16

    Taxonomy and management of andisols

    Published 1984
    Book
  17. 17

    X Congreso Nacional de la ciencia del suelo by Casanova Pino, Manuel

    Published 2005
    Book