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  1. 1

    Yearbook of agriculture /

    Published 1949
    Book
  2. 2

    California serpentines : flora, vegetation, geology, soils, and management problems / by Kruckeberg, Arthur R.

    Published 1984
    Book
  3. 3

    Manejo de nuestros recursos naturales / by Camp, William G.

    Published 2000
    Book
  4. 4

    Buenos Aires, Iowa, y el desarrollo agropecuario en las pampas y las praderas / by Azcuy Ameghino, Eduardo

    Published 1997
    Book
  5. 5

    Tierras áridas y el hombre : El reto de las tierras áridas de los Estados Unidos /

    Published 1963
    Book
  6. 6

    Bioecology of the arid and semiarid lands of the Southwest /

    Published 1961
    Conference Proceeding Book
  7. 7

    RANGEMAN'S JOURNAL

    Published 1974
    Get full text
    Serial
  8. 8

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

    Published 2005
    Book