類似資料

1. 1 Keynote address and discussion, 7th annual conference : 'Precision agriculture - practical applications of new technologies' / by John S Gummer, keynote address ; Peter Botschek, introduction ; plenary discussion, chaired by Barry Higgs
2. 2 Precision agriculture : spatial and temporal variability of environmental quality
3. 3 The state of site-specific management for agriculture : invited chapters and the proceedings of a symposium sponsored by Divisions S-6, S-4, S-8, and S-5 of the Soil Science Society of America, Division A-3 of the American Society of Agronomy, and the North Central Regional Committee on Site-Specific Management (NCR-180) in St. Louis, Missouri, 31 October 1995 / editors, F.J. Pierce and E.J. Sadler ; organizing committee, F.J. Pierce ... [et al.]
4. 4 Automated agriculture for the 21st century : proceedings of the 1991 symposium, 16-17 December 1991, Chicago, Illinois
5. 5 Proceedings of the Fourth International Conference on Precision Agriculture, 19-22 July 1998, St. Paul, Minnesota / editors, P.C. Robert, R.H. Rust, and W.E. Larson 1,2