[1] Brown R B,Steckler J -P G A,Anderson G W.Transactions of the ASAE,1994,37(1):297.
[2] Goel P K,Prasher S O,Patel R M,et al.Transactions of the ASAE,2002,45(2):443.
[3] Vrindts E,De Baerdemaeker J,Ramon H.Precision Agriculture,2002,3:63.
[4] Slaughter D C,Lanini W T,Giles D K.Transactions of the ASAE,2004,47(6):1907.
[8] Knipling E B.Remote Sensing of Environment,1970,1:155.
[9] Terashima I,Saeki T.Plant and Cell Physiology,1983,24:1493.
[10] DeLucia E H,Nelson K,Vogelmann T C,et al.Plant Cell and Environment, 1996,19:159.
[11] Gausman H W.Photogrammetric Engineering and Remote Sensing,1974,40:183.