在您的搜寻 主题建议
Showing 1 - 20 results of 23 for search '', 查询时间: 0.02s Refine Results
  1. 1
    Foreign agriculture circular.
    Government Document 杂志
    出版 1979
    加到收藏夹
    Saved in:
  2. 2
    A model approach to the evaluation of drainage effects /
    图书
    由 Wijk, A. L. M. van
    出版 1982
    加到收藏夹
    Saved in:
  3. 3
    World crop production.
    杂志
    出版 1987
    加到收藏夹
    Saved in:
  4. 4
    Principles and practice of field experimentation /
    图书
    由 Wishart, John
    出版 1955
    加到收藏夹
    Saved in:
  5. 5
    Farm-level constraints to high rice yields in Asia, 1974-77.
    图书
    出版 1979
    加到收藏夹
    Saved in:
  6. 6
    Agricultural crop yield prediction utilizing narrowband multispectral, temporally-registered imagery : a feasibility study's technical report and recommendations /
    图书
    由 Pavlin, Gregory B.
    出版 1976
    加到收藏夹
    Saved in:
  7. 7
    Evaluation of three-category classification /
    图书
    由 Havens, K. A.
    出版 1979
    加到收藏夹
    Saved in:
  8. 8
    Report of the Review Committee January 1977.
    图书
    出版 1977
    加到收藏夹
    Saved in:
  9. 9
    Report of the Review Committee September 1981.
    图书
    出版 1981
    加到收藏夹
    Saved in:
  10. 10
    Production and the natural environment : two economic essays /
    图书
    加到收藏夹
    Saved in:
  11. 11
    Symposium on Soil Productivity, held at Varanasi and Calcutta, 1972.
    会议录 图书
    出版 1973
    加到收藏夹
    Saved in:
  12. 12
    Simulation of plant growth and crop production /
    图书
    由 Penning de Vries, F. W. T.
    出版 1982
    加到收藏夹
    Saved in:
  13. 13
    Minutes of evidence relating to the proposed construction of a crop adaptation Laboratory for the C.S.I.R.O. at Black Mountain, Acton, Australian Capital Territory /
    图书
    出版 1980
    加到收藏夹
    Saved in:
  14. 14
    Untaken harvest : man's loss of crops from pest, weed and disease : an introductory study /
    图书
    由 Ordish, George
    出版 1952
    加到收藏夹
    Saved in:
  15. 15
    The variability of wheat yield per acre from 1949-50 to 1958-59 : Australia, by statistical divisions.
    图书
    出版 1961
    加到收藏夹
    Saved in:
  16. 16
    Irrigation and crop production: a study of new developments and practice in Europe, North America and New Zealand : report on a study tour, May 31 to August 17, 1977 /
    图书
    加到收藏夹
    Saved in:
  17. 17
    Estimates of area and production of principal crops in India.
    序列
    出版 1980
    加到收藏夹
    Saved in:
  18. 18
    Three essays in agricultural economics /
    图书
    加到收藏夹
    Saved in:
  19. 19
    Details of the classical and long-term experiments ...
    杂志
    加到收藏夹
    Saved in:
  20. 20
    Advances in technology for improved productivity /
    会议录 图书
    出版 1969
    加到收藏夹
    Saved in:
检索工具: 得到RSS订阅 – 推荐此搜索 – 保存搜索