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  1. 1
    Manejo ecológico del suelo /

    Manejo ecológico del suelo / by Primavesi, Ana

    Published 1984
    Book
  2. 2
    Tropical agriculture : the development of production /

    Tropical agriculture : the development of production / by Wrigley, Gordon

    Published 1971
    Book
  3. 3
    Agriculture in the tropics /

    Agriculture in the tropics / by Webster, C. C.

    Published 1973
    Book
  4. 4
    El fósforo en los suelos tropicales : evaluación de los grados de deficiencia y de las necesidades de fósforo /

    El fósforo en los suelos tropicales : evaluación de los grados de deficiencia y de las necesidades de fósforo /

    Published 1980
    Book
  5. 5
    An Introduction to tropical agriculture /

    An Introduction to tropical agriculture / by Tempany, Harold

    Published 1968
    Book
  6. 6
    L'ambiente fisico e agrario dei paesi caldi /

    L'ambiente fisico e agrario dei paesi caldi / by Fenaroli, Luigi

    Published 1943
    Book

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