Dangos 981 - 990 canlyniadau o 2,131 ar gyfer chwilio '"Soils."', amser ymholiad: 0.02e Mireinio'r Canlyniadau
  1. 981

    Physical measurements in flooded rice soils the Japanese methodologies. gan International Rice Research Institute

    Cyhoeddwyd 1987
    Llyfr

    Physical measurements in flooded rice soils the Japanese methodologies.
  2. 982

    Properties and management of forest soils gan Pritchett, William L., Fisher, Richard F.

    Cyhoeddwyd 1987
    Llyfr

    Properties and management of forest soils
  3. 983

    Managing the soils of Sub-Saharan Africa gan Lal, Rattan

    Cyhoeddwyd 1987
    Analytics

    Managing the soils of Sub-Saharan Africa
  4. 984

    Problems and protests for sustainable agricultural systems in the humid tropics gan Charlton, Clive A.

    Cyhoeddwyd 1987
    Analytics

    Problems and protests for sustainable agricultural systems in the humid tropics
  5. 985

    World agriculture and soil erosion erosion threatens world food production gan Pimentel, David, Allen, J.

    Cyhoeddwyd 1987
    Analytics

    World agriculture and soil erosion erosion threatens world food production
  6. 986

    Reinforcement of earth slopes and embankments gan Mitchell, James Kenneth 1930-

    Cyhoeddwyd 1987
    Llyfr

    Reinforcement of earth slopes and embankments
  7. 987

    Pre-rice-crop green manuring a technology for soil improvement under rainfed conditions in Northeast Thailand gan Craig, Iain A.

    Cyhoeddwyd 1987
    Llyfr

    Pre-rice-crop green manuring a technology for soil improvement under rainfed conditions in Northeast Thailand
  8. 988

    Preliminary studies on soil fungal and arthropod communities of selected farmlands in La Trinidad, Benguet

    Cyhoeddwyd 1987
    Analytics

    Preliminary studies on soil fungal and arthropod communities of selected farmlands in La Trinidad, Benguet
  9. 989

    Agricultural soil loss processes, policies, and prospects

    Cyhoeddwyd 1987
    Llyfr

    Agricultural soil loss processes, policies, and prospects
  10. 990

    Our American land 1987 yearbook of agriculture.

    Cyhoeddwyd 1987
    Llyfr

    Our American land 1987 yearbook of agriculture.

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