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  1. 11
    Published 1987
    Book

    Alluvial soils
  2. 12
    by Owen, Oliver S.
    Published 1985
    Book

    Natural resource conservation an ecological approach.
  3. 13
    by Willatt, S.T
    Published 1984
    Book

    Soil-water management S591 .T.
  4. 14
    Published 1984
    Book

    Agriculture and resources research manpower development in South and Southeast Asia, vol.2 proceedings.
  5. 15
    by Kabata-Pendias, Alina
    Published 1984
    Book

    Trace elements in soils and plants
  6. 16
    Published 1983
    Book

    Pesticide formulations and application systems
  7. 17
    Published 1983
    Book

    Agriculture and resources research manpower development in South and Southeast Asia proceedings.
  8. 18
    Published 1983
    Book

    Pedogenesis and soil taxonomy
  9. 19
    by Bridges, Edwin Michael
    Published 1982
    Book

    Principles and applications of soil geography.
  10. 20
    Published 1981
    Book

    First national conservation conference on natural resources : conducted at the Philippine Plaza Hotel, 9-12 December 1981
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