1Institute of Ecological Science and Technology, He’nan University, Kaifeng 475001, He’nan, China; 2College of Life Science, He’nan University, Kaifeng 475001, He’nan, China
XING Qian2; GU Yan-fang1,2; GAO Zhi-ying2; DING Sheng-yan1,2 . Effects of N, P and K nutrition on photosynthesis and water use efficiency of winter wheat. [J]. cje.