8KAREL C,JOSEF F,ADAM S,et al.Wireless supporting of a- gricuhure and forestry information systems--Wireless Info [A]. In Presentation at the 4th AGILE Conference on Geo- graphic Information Science in Brno[C]. BIOS scientific pub- lishers Ltd. ,2001.
9THYSEN I. Agriculture in the information society [J]. Journal of agriculture engineering research, 2000,76(3 ) :297-303.
10MC KINION J M,TURNER S B,W ILLERS J L,et al. Wire- less technology and satellite Internet access for high--speed whole farm connectivity in precision agriculture [J]. Agricul- tural Systems, 2004,81 (3) :201-212.
