5FAO. Pesticide application equipment for use in agriculture[R]. FAO Agricultural Service Bulletin 112/1. Vol.1 Manually carried equipment, Rome, 1994.
6FAO. Pesticide application equipment for use in agriculture[R]. FAO Agricultural Service Bulletin 112/1. Vol.1 Mechanically powered equipment, Rome, 1995.
7FAO. Guidelines on equipment quality control and use and FAO minimum standards-Agricultural Pesticide Sprayers[S]. Volume 2, Rome, 1998.
8FAO. Technical standards-Sprayer specifications and test procedures-Agricultural Pesticide Sprayers[S]. Volume 2, Rome, 1998.
9Matthies F.Meier E H H J. Agricultural Engineering[M]. Year Book,Band 14,Muester,Germany,2002.