Assistant Prof. Quan Zhi and Prof. Fang Yunting from the Stable Isotope Ecology Research Group of the Institute of Applied Ecology at the Chinese Academy of Sciences, cooperated with researchers at the University of Maryland, U.S., investigated three commonly used crop nitrogen use efficiency quantification approaches and explained why they lead to different estimate values.
Click here for original story, Quantifying crop nitrogen use may result in huge difference in efficiency estimates
Source: Phys.org