Результаты поиска - ((soil conservation) OR (soil (conservation OR construction)))

  1. 21

    Tillage systems for soil and water conservation / по Unger, Paul W.

    Опубликовано 1984
    Предметы:
  2. 22

    Dictionary of soil and water conversation / по Verma, Balvir

    Опубликовано 1984
    Предметы: “...Soil conservation Dictionaries...”
  3. 23

    Soil conservation and management in the humid tropics /

    Опубликовано 1977
    Предметы: “...Soil conservation Tropics....”
  4. 24

    Soil and water conservation in semi-arid areas / по Hudson, Norman W.

    Опубликовано 1987
    Предметы: “...Soil conservation...”
  5. 25

    Soil and water conservation for productivity and environmental protection по Troeh, Frederick R.

    Опубликовано 1980
    Предметы: “...Soil conservation...”
  6. 26

    Soil conservation for small farmers in the humid tropics / по Sheng, T. C.

    Опубликовано 1989
    Предметы: “...Soil conservation....”
  7. 27

    In-service training for soil and water conservation : report of the Workshop in Serdang, Malaysia, 11-15 December, 1989.

    Опубликовано 1989
    Предметы: “...Soil conservation In-service training....”
    Материалы конференции
  8. 28

    Soil conservation and management in developing countries : report of an expert consultation held in Rome, 22-26 November 1976.

    Опубликовано 1977
    Предметы: “...Soil conservation Developing countries....”
  9. 29

    Soil conservation and sustainable land use : an economic approach / по Graaff, J. de

    Опубликовано 1993
    Предметы:
  10. 30

    Farming systems development and soil conservation / по Norman, David

    Опубликовано 1994
    Предметы: “...Soil conservation....”
  11. 31

    Shifting cultivation and soil conservation in Africa papers presented at the FAO/SIDA/ARCN Regional Seminar on Shifting Cultivation and Soil Conservation in Africa, Ibadan, Nigeria, 2-21 July, 1973

    Опубликовано 1974
    Предметы:
  12. 32

    1986 Soil Conservation Conference, Macquarie University, 16th, 17th July.

    Предметы: “...Soil conservation....”
    Материалы конференции
  13. 33

    Compilation of papers : Soils Workshop for Agronomists, Horticulturalists and Soil Conservationists, 4-5 May, 1988, Alstonville.

    Опубликовано 1988
    Предметы: “...Soil conservation....”
    Материалы конференции
  14. 34

    Elementary soil and water engineering / по Glenn, O Schwab

    Опубликовано 1971
    Предметы: “...Soil conservation....”
  15. 35

    Elementary soil and water engineering / по Schwab, Glenn O.

    Опубликовано 1985
    Предметы: “...Soil conservation....”
  16. 36

    Guidelines for the control of soil degradation.

    Опубликовано 1983
    Предметы: “...Soil conservation....”
  17. 37

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

    Опубликовано 1988
    Предметы: “...Soil conservation....”
  18. 38

    Soil water management /

    Опубликовано 1984
    Предметы: “...Soil science...”
  19. 39

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

    Опубликовано 1983
    Предметы:
  20. 40

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

    Опубликовано 1965
    Предметы: