Dangos 1 - 20 canlyniadau o 22 ar gyfer chwilio '', amser ymholiad: 0.03e Mireinio'r Canlyniadau
  1. 1
    gan Ladha, J. K. 1952-, Singh, Yadvinder
    Cyhoeddwyd 2009
    Llyfr

    Integrated crop and resource management in the rice-wheat system of South Asia
  2. 2
    Cyhoeddwyd 1999
    Llyfr

    Agricultural engineering technologies for soil and water resources conservation and management.
  3. 3
    Cyhoeddwyd 1998
    Llyfr

    Advances in soil and water conservation
  4. 4
    Cyhoeddwyd 1998
    Llyfr

    Soil and water conservation (SWC) technologies and agroforestry systems.
  5. 5
    Cyhoeddwyd 1998
    Llyfr

    Soil and water conservation (SWC) technologies and agroforestry systems.
  6. 6
    Cyhoeddwyd 1998
    Llyfr

    Soil and water conservation (SWC) technologies and agroforestry systems.
  7. 7
    gan Schwab, Glenn Orville 1919-
    Cyhoeddwyd 1996
    Llyfr

    Soil and water management systems
  8. 8
    gan Schwab, Glenn Orville, 1919-
    Cyhoeddwyd 1996
    Llyfr

    Soil and water management systems
  9. 9
    Cyhoeddwyd 1993
    Llyfr

    Soil and water conservation engineering
  10. 10
    gan Fangmeier, Delmar D.
    Cyhoeddwyd 1993
    Llyfr

    Soil and water conservation engineering.
  11. 11
    Cyhoeddwyd 1991
    Llyfr

    Soil and water conservation in the Philippine upland watersheds state of the art and abstract bibliography.
  12. 12
    Llyfr

    Soil and water conservation
  13. 13
    Cyhoeddwyd 1990
    Llyfr

    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.
  14. 14
    Cyhoeddwyd 1990
    Llyfr

    Present situation, problems, prospect and practical implementation of education and research for efficient utilization and conversion of inland waters
  15. 15
    Cyhoeddwyd 1984
    Llyfr

    Soil-water management
  16. 16
    Llyfr

    Our soils and their management increasing production through environmental soil and water conservation
  17. 17
    gan Schwab, Glenn Orville, 1919-
    Cyhoeddwyd 1981
    Llyfr

    Soil and water conservation engineering
  18. 18
    Cyhoeddwyd 1971
    Llyfr

    Elementary soil and water engineering
  19. 19
    gan Frevert, Richard K.
    Cyhoeddwyd 1966
    Llyfr

    Soil and water conservation engineering
  20. 20
    Cyhoeddwyd 1964
    Llyfr

    A manual on conservation of soil and water.
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