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  1. 21

    Soils laboratory exercise source book /

    Published 1971
    Book
  2. 22

    Instrumental methods for analysis of soils and plant tissue /

    Published 1972
    Book
  3. 23

    Practical soil science : aid for practical work / by Nikol'skii, N. N.

    Published 1963
    Book
  4. 24

    Ameliorative pedology : laboratory manual / by Astapov, S. V.

    Published 1964
    Book
  5. 25

    Análisis químico de suelos / by Jackson, M. L.

    Published 1970
    Book
  6. 26

    Soil chemical analysis / by Jackson, M. L.

    Published 1962
    Book
  7. 27

    Methods of soil analysis /

    Published 1969
    Book
  8. 28

    Mineralogy in soil science and engineering /

    Published 1968
    Book
  9. 29

    Dynamique du sol / by Demolon, Albert

    Published 1948
    Book
  10. 30
  11. 31

    Soil testing for engineers / by Lambe, T. William

    Published 1967
    Book
  12. 32

    El impacto de la fertilización / by Palermo, Angel

    Published 1985
    Book
  13. 33
  14. 34

    Soil testing and plant analysis /

    Published 1967
    Book
  15. 35

    Estudio científico del suelo : una introducción al estudio del crecimiento de las cosechas / by Hall, A. D.

    Published 1961
    Book
  16. 36

    Manual internacional de fertilidad de suelos /

    Published 1997
    Book
  17. 37

    Cómo tomar muestras de suelo / by Román, Rafael F.

    Published 1967
    Book
  18. 38

    Estudio científico del suelo / by Hall, A. D.

    Published 1948
    Book
  19. 39

    Ciencia del suelo y su manejo / by Plaster, Edward J.

    Published 2005
    Book
  20. 40

    Comparación de métodos para determinar carbono orgánico en suelo by Eyherabide, Mercedes

    Article