Näytetään 121 - 130 yhteensä 164 tuloksesta haulle '"Water conservation"', hakuaika: 0,02s Tarkenna hakua
  1. 121

    Last oasis facing water scarcity Tekijä Postel, Sandra

    Julkaistu 1992
    Kirja

    Last oasis facing water scarcity
  2. 122

    Aquatic environment

    Julkaistu 1992
    Kirja

    Aquatic environment
  3. 123

    Water

    Julkaistu 1992
    Visual Material

    Water
  4. 124

    Soil and water conservation in the Philippine upland watersheds state of the art and abstract bibliography.

    Julkaistu 1991
    Kirja

    Soil and water conservation in the Philippine upland watersheds state of the art and abstract bibliography.
  5. 125

    Soil and water conservation Tekijä Troeh, Frederick R., Hobbs, J. Arthur 1914-, Donahue, Roy Luther 1908-

    Julkaistu 1991
    Kirja

    Soil and water conservation
  6. 126

    Soil and water conservation measures and agroforestry proceedings of the Training-Workshop on ..., Los Banos, Laguna, Philippine Council for Agriculture, Forestry and Natural Resou...

    Julkaistu 1990
    Kirja

    Soil and water conservation measures and agroforestry proceedings of the Training-Workshop on ..., Los Banos, Laguna, Philippine Council for Agriculture, Forestry and Natural Resources Research and Development, July 9-16, 1989.
  7. 127

    Present situation, problems, prospect and practical implementation of education and research for efficient utilization and conversion of inland waters

    Julkaistu 1990
    Kirja

    Present situation, problems, prospect and practical implementation of education and research for efficient utilization and conversion of inland waters
  8. 128

    Solar-power desalination a case study from Botswana Tekijä Yates, R. (Roger)

    Julkaistu 1990
    Kirja

    Solar-power desalination a case study from Botswana
  9. 129

    Watershed development in Asia strategies and technologies

    Julkaistu 1990
    Kirja

    Watershed development in Asia strategies and technologies
  10. 130

    Vanishing land and water soil and water conservation in dry lands Tekijä Chleq, Jean-Louis

    Julkaistu 1988
    Kirja

    Vanishing land and water soil and water conservation in dry lands

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