【序号】：1
【作者】：Jia, L., X. Chen, F. Zhang, A. Buerkert, and V. Roemheld
【题名】：Optimum nitrogen fertilization of winter wheat based on color digital camera images
【期刊】：communications in soil science and plant analysis
【年、卷、期、起止页码】2007, 38(11):1385–1394
【全文链接】：http://www.tandfonline.com/doi/abs/10.1080/00103620701375991#preview