Supported by National Natural Science Foundation(10664001,41061039);National 863 Project(2007AA10Z205);Project for Excellent Young Scientists and Technicians of Guizhou;National Project for Innovative Experiments of College Students(Guizhou University200820)~~
[Objective] The aim was to build spectral diagnosis model for nitrogen nutrition in rice leaf.[Method] Through determination of transmission,absorption spectra and nitrogen content on rice leaves of different rice var...