6Charvat K, Krezja J, Krijvanek Z, et al. The design and utilization of databases, utilization of Internet and communication technologies in precision agriculture[A]. In Proceeding of Conference Utilization of Precision Agriculture in Czech Republic[C], 2000.
7Munack A, Speckmann H. Communication technology is the backbone of precision agriculture[A]. In Agricultural Engineering International: the CIGR Journal of Scientific Research and Development, Vol.III[C], May 2001.
8Roblin P, Barrow D A. Microsystems technology for remote monitoring and control in sustainable agricultural practices[J]. Journal of Environmental Monitoring, 2000,2(5):385-392.
9DINGEMANS M J. The practical implementation of precision farming for European agriculture[A]. In Proceedings of the First European Conference on Precision Agriculture(Vol.II)Technology, IT and Management[C]. BIOS Scientific Publishers Ltd., 1997,727-733.
10Karel C, Josef F, Adam S, et al. Wireless supporting of agriculture and forestry information systems-WirelessInfo[A]. In Presentation at the 4th AGLE Conference on Geographic Information Science in Brno[C]. 2001.