Dangos 81 - 90 canlyniadau o 122 ar gyfer chwilio '"Cropping system."', amser ymholiad: 0.02e Mireinio'r Canlyniadau
  1. 81

    Analysis of income and resource productivity of alternative rice farm cropping patterns in Bicol [microform] gan Sardido, Moises Lanticse 1936-

    Cyhoeddwyd 1977
    Visual Material

    Analysis of income and resource productivity of alternative rice farm cropping patterns in Bicol [microform]
  2. 82

    [Proceedings of a] Symposium on Cropping Systems Research and Development for the Asian Rice Farmer International Rice Research Institute, Los Baños, Laguna, 21-24 September, 1976....

    Cyhoeddwyd 1977
    Llyfr

    [Proceedings of a] Symposium on Cropping Systems Research and Development for the Asian Rice Farmer International Rice Research Institute, Los Baños, Laguna, 21-24 September, 1976.
  3. 83

    Proceedings of a Symposium on Croppine Systems Research and Development for the Asian Rice Farmer, International Rice Research Institute, Los Baños, Laguna, 21-24 September 1976.

    Cyhoeddwyd 1977
    Llyfr

    Proceedings of a Symposium on Croppine Systems Research and Development for the Asian Rice Farmer, International Rice Research Institute, Los Baños, Laguna, 21-24 September 1976.
  4. 84

    Impact of new rice technology on cropping patterns and land utilization gan Price, Edwin C.

    Cyhoeddwyd 1976
    Llyfr

    Impact of new rice technology on cropping patterns and land utilization
  5. 85

    International bibliography on cropping systems 1973-1974 gan Ramos, Mila Medina

    Cyhoeddwyd 1976
    Llyfr

    International bibliography on cropping systems 1973-1974
  6. 86

    International bibliography on cropping systems, 1973-1974 gan Ramos, Mila M.

    Cyhoeddwyd 1976
    Traethawd Ymchwil

    International bibliography on cropping systems, 1973-1974
  7. 87

    International bibliography on cropping systems, 1973-1974- gan Ramos, Mila Medina 1946-

    Cyhoeddwyd 1976
    Llyfr

    International bibliography on cropping systems, 1973-1974-
  8. 88

    International bibliography on cropping systems, 1973-1974-. gan Ramos, Mila Medina 1946-

    Cyhoeddwyd 1976
    Llyfr

    International bibliography on cropping systems, 1973-1974-.
  9. 89

    Ying-ting: a cultural-ecological study of a Chinese mixed cropping village in Taiwan gan Chen, Chung-min 1942-

    Cyhoeddwyd 1975
    Llyfr

    Ying-ting: a cultural-ecological study of a Chinese mixed cropping village in Taiwan
  10. 90

    Effects of land reform, agricultural pricing policy and economic growth on the multiple crop diversification in Taiwan gan Kuo, Wanyong

    Cyhoeddwyd 1973
    Llyfr

    Effects of land reform, agricultural pricing policy and economic growth on the multiple crop diversification in Taiwan

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