3Kacria M,Ling P P,Short T H. Machine vision extracted plant movement for early detection of plant water stress[J].Transactions of the ASAE,2004,(05):l147.1153.
4MULUNEH Y,KAMEL D,CURT R.Microcomputer based low-head gravity-ow bubbler irrigation system design[J].Computers and Electronics in Agriculture,1999,22:29-39.
5TIM H.A microcomputer scheduling program for supplementary irrigation[J].Computers and Electronics in Agriculture,1996,15:233-243.