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  1. 41
    Guidelines for the control of soil degradation.

    Guidelines for the control of soil degradation.

    Udgivet 1983
    Fag: “...Soil conservation....”
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  2. 42
    Vanishing land and water : soil and water conservation in dry lands /

    Vanishing land and water : soil and water conservation in dry lands / af Chleq, Jean-Louis

    Udgivet 1988
    Fag: “...Soil conservation....”
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  3. 43
    Soil water management /

    Soil water management /

    Udgivet 1984
    Fag: “...Soil science...”
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  4. 44
    Keeping the land alive soil erosion - its causes and cures

    Keeping the land alive soil erosion - its causes and cures af Kelley, Hubert W.

    Udgivet 1983
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  5. 45
    Soilerosion by water : some measures for its control on cultivated lands

    Soilerosion by water : some measures for its control on cultivated lands

    Udgivet 1965
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  6. 46
    Anatomy, physiology, and psychology of erosion /

    Anatomy, physiology, and psychology of erosion / af Hallsworth, E. G. (Ernest Gordon)

    Udgivet 1987
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  7. 47
    Soil erosion and its control /

    Soil erosion and its control /

    Udgivet 1986
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  8. 48
    Erosion control ... protecting our future : proceedings of Conference XVII, International Erosion Control Association February 27 & 28, 1986, Dallas, Texas.

    Erosion control ... protecting our future : proceedings of Conference XVII, International Erosion Control Association February 27 & 28, 1986, Dallas, Texas.

    Udgivet 1986
    Fag:
    Conference Proceeding Bog

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  9. 49
    A study of the reasons for success or failure of soil conservation projects /

    A study of the reasons for success or failure of soil conservation projects / af Hudson, Norman W.

    Udgivet 1991
    Fag: “...Soil conservation projects....”
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  10. 50
    Farmers' practices and soil and water conservation programs /

    Farmers' practices and soil and water conservation programs /

    Udgivet 1991
    Fag: “...Soil conservation Arid Regions....”
    Conference Proceeding Bog

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  11. 51
    International Symposium on Water Erosion, Sedimentation and Resource Conservation, October 9-13, 1990, Dehradun, India.

    International Symposium on Water Erosion, Sedimentation and Resource Conservation, October 9-13, 1990, Dehradun, India.

    Udgivet 1990
    Fag:
    Conference Proceeding Bog

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  12. 52
    Elementary soil and water engineering

    Elementary soil and water engineering af Schwab, Glenn Orville, 1914-

    Udgivet 1957
    Fag: “...Soil conservation...”
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  13. 53
    Soil erosion in the tropics : principles and management /

    Soil erosion in the tropics : principles and management / af Lal, R.

    Udgivet 1990
    Fag:
    Ukendt

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  14. 54
    Soil and water conservation research, 1956-71

    Soil and water conservation research, 1956-71

    Udgivet 1975
    Fag: “...Soil conservation India...”
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  15. 55
    Soils, their properties and management : a soil conservation handbook for New South Wales /

    Soils, their properties and management : a soil conservation handbook for New South Wales /

    Udgivet 1991
    Fag: “...Soil conservation Australia New South Wales....”
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  16. 56
    The conservation of lands in Asia and the Pacific (Clasp) : a framework for action /

    The conservation of lands in Asia and the Pacific (Clasp) : a framework for action / af F.A.O

    Udgivet 1992
    Fag: “...Nature conservation....”
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  17. 57
    Land conservation and development

    Land conservation and development

    Udgivet 1984
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  18. 58
    Plonghman's folly /

    Plonghman's folly / af Faulkner, Edward H.

    Udgivet 1945
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  19. 59
    The dirt doctors : a jubilee history of the Soil Conservation Service of NSW /

    The dirt doctors : a jubilee history of the Soil Conservation Service of NSW / af Breckwoldt, Ronald

    Udgivet 1988
    Fag: “...Soil conservation Citizen participation....”
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  20. 60
    Land degradation in South Asia : its severity, causes and effects upon the people.

    Land degradation in South Asia : its severity, causes and effects upon the people.

    Udgivet 1994
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