Showing 1 - 20 results of 82 for search '', query time: 0.18s Refine Results
  1. 1
    Erosion and productivity of soils containing rock fragments : proceedings of a symposium /
    Published 1984
    Book
  2. 2
    Soil organic matter studies : proceedings of a symposium ... /
    Published 1977
    Conference Proceeding Book
  3. 3
    Soil testing : correlating and interpreting the analytical results /
    Published 1977
    Book
  4. 4
    The soils of IITA : a detailed description of eight soils near Ibadan, Nigeria, with special reference to their agricultural use /
    by Moormann, F. R. (Frank R.)
    Published 1975
    Book
  5. 5
    Improving Hawaiian soil resources /
    Published 1958
    Book
  6. 6
    Erosion and soil productivity : proceedings of the National Symposium on Erosion and Soil Productivity, December 10-11, 1984, Hyatt Regency New Orleans, New Orleans, Louisiana.
    Published 1985
    Conference Proceeding Book
  7. 7
    Productivity effects of cropland erosion in the United States /
    by Crosson, Pierre R.
    Published 1983
    Book
  8. 8
    Analysis of production potential and maintenance of production for selected irrigable soils by the Chari River in the Sahel Region of Chad /
    by King, Jack Winfield
    Published 1980
    Thesis Microform Book
  9. 9
    Preliminary report on regional agricultural development planning in the Taiwan area /
    Published 1980
    Book
  10. 10
    Report of a workshop on cropping systems research in Asia /
    Published 1982
    Conference Proceeding Book
  11. 11
    Land classification for land uses, management, and valuation /
    by Everhart, Marion E.
    Published 1983
    Book
  12. 12
    Organic materials and soil productivity in the Near East : papers presented at the FAO/SIDA Workshop on the Use of Organic Materials for Improving Soil Productivity in the Near East, held in Alexandria, Egypt, 9-18 October 1978 /
    Published 1982
    Conference Proceeding Book
  13. 13
    Symposium on Potential productivity of field crops under different environments.
    Published 1983
    Conference Proceeding Book
  14. 14
    Proceedings of the Great Plains Soil Fertility Workshop.
    Conference Proceeding
  15. 15
    Effects of aggregation error on analysis of agricultural production potential /
    by Sutton, John D.
    Published 1983
    Government Document Book
  16. 16
    Distribution of active ectomycorrhizal short roots in forest soils of the inland Northwest : effects of site and disturbance /
    Published 1986
    Government Document Book
  17. 17
    Modelling of agricultural production : weather, soils and crops /
    by Keulen, H. van
    Published 1986
    Book
  18. 18
    Soil-vegetation correlations in prairie potholes of Beadle and Deuel counties, South Dakota /
    Published 1988
    Government Document Book
  19. 19
    The Erosion-productivity economics model : a user's guide /
    Published 1987
    Government Document Book
  20. 20
    Soil productivity aspects of agroforestry /
    by Nair, P. K. R.
    Published 1984
    Book
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