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Showing 1 - 20 results of 251 for search '"soil conservation"', 查询时间: 0.01s Refine Results
  1. 1
    Soil conservation in perspective

    Soil conservation in perspective 由 Clawson, Marion

    出版 1965
    主题: “...Soil conservation...”
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  2. 2
    Soil erosion and its control

    Soil erosion and its control

    出版 1986
    主题: “...Soil conservation...”
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  3. 3
    Soil conservation : problems and prospects

    Soil conservation : problems and prospects

    出版 1990
    主题: “...Soil conservation...”
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  4. 4
    Soil conservation

    Soil conservation 由 Hudson, Norman

    出版 1976
    主题: “...Soil conservation...”
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  5. 5
    Soil conservation : assessing the national resources inventory

    Soil conservation : assessing the national resources inventory

    出版 1986
    主题: “...Soil conservation...”
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  6. 6
    A study of reasons success of failure of soil conservation projects

    A study of reasons success of failure of soil conservation projects 由 Hudson, Norman W.

    出版 1991
    主题: “...Soil conservation...”
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  7. 7
    Report of the Soil Conservation Committee, 1944

    Report of the Soil Conservation Committee, 1944

    出版 1944
    主题: “...Soil conservation...”
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  8. 8
    Approved practices in soil conservation

    Approved practices in soil conservation 由 Foster, Albert B.

    出版 1955
    主题: “...Soil conservation...”
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  9. 9
    Soil conservation : an international study

    Soil conservation : an international study

    出版 1952
    主题: “...Soil conservation...”
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  10. 10
    Soil conservation

    Soil conservation 由 Stallings, J.H

    出版 1957
    主题: “...Soil conservation...”
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  11. 11
    Land husbandry : components and strategy

    Land husbandry : components and strategy

    出版 1996
    主题: “...Soil conservation...”
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  12. 12
    Erosion its causes and cure : a survey of soil conservation

    Erosion its causes and cure : a survey of soil conservation 由 Glover, Harold

    出版 1985
    主题: “...Soil conservation...”
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  13. 13
    Vetiver grass : a thin green line against erosion

    Vetiver grass : a thin green line against erosion

    出版 1993
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  14. 14
    Soil conservation extension : from concepts to adoption

    Soil conservation extension : from concepts to adoption

    出版 1997
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  15. 15
    Seminar on soil conservation : proceedings

    Seminar on soil conservation : proceedings

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  16. 16
    Agroforestry soil conservation

    Agroforestry soil conservation 由 Young, Anthony

    出版 1989
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  17. 17
    Annual report 1974

    Annual report 1974

    出版 1974
    主题: “...Soil conservation-Research...”
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  18. 18
    Soil changes under poplar (populus deltoides marsh.) based agroforestry system in north-western Uttar pradesh, (India)

    Soil changes under poplar (populus deltoides marsh.) based agroforestry system in north-western Uttar pradesh, (India) 由 Singh, Brij Pal

    主题: “...Soil conservation...”
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  19. 19
    Oil conservation research in regional centres under central soil conservation board

    Oil conservation research in regional centres under central soil conservation board

    出版 1958
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  20. 20
    Soil conservation: an intertnational study

    Soil conservation: an intertnational study

    出版 1952
    主题: “...Soil conservation...”
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