Showing 21 - 30 results of 57 for search '', query time: 0.01s Refine Results
  1. 21
    Book

    Bio-physical effects of land use conversion in Paoay and Mount Data.
  2. 22
    Published 1998
    Book

    Rice terraces of Ifugao (northern-Luzon, Philippines) conflicts of landuse and environmental conservation : report of a scientific students' excursion
  3. 23
    Book

    Soil properties testing, measurement, and evaluation
  4. 24
    Published 1996
    Book

    Progress in nitrogen cycling studies proceedings of the 8th Nitrogen Workshop, held at the University of Ghent, 5-8 September 1994
  5. 25
    Published 1994
    Book

    The biological management of tropical soil fertility
  6. 26
    by Baize, Denis
    Published 1993
    Book

    Soil science analyses a guide to current use
  7. 27
    Published 1993
    Book

    Tropical soil biology and fertility a handbook of methods
  8. 28
    by Gerrard, John 1944-
    Published 1992
    Book

    Soil geomorphology an integration of pedology and geomorphology
  9. 29
    Book

    Soils an introduction
  10. 30
    by Watanabe, Iwao
    Published 1991
    Analytics

    Biological nitrogen fixation in sustainable rice farming
Search Tools: Get RSS Feed — Email this Search