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  1. 1

    Agricultural intensification and environment in Tropical areas : seminar, Brussels, 5-6 June 1990 /

    出版事項 1991
    会議録 図書
  2. 2

    The agricultural potential of the Belize Valley /

    出版事項 1976
    図書
  3. 3

    Booker tropical soil manual : a handbook for soil survey and agricultural land evaluation in the tropics and subtropics /

    出版事項 1991
    図書
  4. 4

    Characterization of soils in relation to their classification and management for crop production examples from some areas of the humid tropics

    出版事項 1981
    図書
  5. 5

    Coonabarabran and Coolah Shires district : understanding the soils, climate, crops and livestock of the district / 著者: Freebairn, R. D.

    出版事項 1990
    図書
  6. 6

    Dungog shire : policy guidelines for a local environmental plan / 著者: Davis, J.R. (James Richard), 1948

    出版事項 1985
    図書
  7. 7
  8. 8

    FAO soils bulletin.

    出版事項 1966
    図書
  9. 9

    Foliar nutrient level studies in fertilised coffee in the Eastern and Western Highlands Provinces of Papua New Guinea / 著者: Harding, Paul E.

    出版事項 1991
    図書
  10. 10

    Foliar nutrient level studies in smallholder coffee gardens in the Kainantu area of Papua New Guinea / 著者: Harding, Paul E.

    出版事項 1991
    図書
  11. 11

    Human carrying capacity of the Brazilian rainforest / 著者: Fearnside, Philip M. (Philip Martin)

    出版事項 1986
    図書
  12. 12

    Land clearing and development in the tropics /

    出版事項 1986
    図書
  13. 13

    Land evaluation for arabica coffee in the Kutubu area of Papua New Guinea / 著者: Kunu, Toli O.

    出版事項 1996
    図書
  14. 14

    Land evaluation for food crop production in Papua New Guinea / 著者: Radcliffe, David J.

    出版事項 1985
    図書
  15. 15

    Land suitability evaluation for rainfed Arabica coffee production in Papua New Guinea / 著者: Harding, Paul E.

    出版事項 1986
    図書
  16. 16

    Manual of methods for soil and land evaluation /

    出版事項 2009
    図書
  17. 17

    Plane Creek sugar cane land suitability study / 著者: Wills, A. k.

    出版事項 1988
    不明
  18. 18

    Progress in land evaluation : proceedings of a Seminar on Soil Survey and Land Evaluation, Wageningen, Netherlands, 26-29 September, 1983 /

    出版事項 1984
    会議録 図書
  19. 19

    Report of rapid reconnaissance soil and land use survey of the Kiunga Sub-district.

    図書
  20. 20

    Soil survey and land evaluation for commercial citrus production in the Arona Valley, Eastern Highlands Province / 著者: Grose, C. J.

    出版事項 1987
    図書