[4] Jin Z L, Zhang F, Ahmed Z I, et al. Pesticide Biochemistry and Physiology, 2010, 98(1): 1.
[5] Liu F, Nie P C, Huang M, et al. Science China Information Sciences, 2011, 54(3): 598.
[6] Liu F, Zhang F, Jin Z L, et al. Analytica Chemica Acta, 2008, 629(1-2): 56.
[7] Sankaran S, Mishra A, Maja J M, et al. Computers and Electronics in Agriculture, 2011, 77(2): 127.
[8] Kong W W, Zhao Y, Liu F, et al. Sensors (Basel), 2012, 12(8): 10871.
[10] Cakmak I, Strboe D, Marschner H. Journal of Experimental Botany, 1993, 44(1): 127.
[11] Zhou W J, Leul M. Plant Growth Regulation, 1998, 26(1): 41.
[12] Guo W L, Du Y P, Zhou Y C, et al. World Journal of Microbiology and Biotechnology, 2012, 28(3): 993.
[13] Bala M, Singh M. Industrial Crops and Products, 2013, 42: 357.
[14] Nie P C, Wu D, Yang Y, et al. Journal of Food Engineering, 2012, 109(1): 155.
[15] Huang G B, Zhu Q Y, Siew C K. Neurocomputing, 2006, 70(1-3): 489.