Affiliation: | 1. Tianjin Key Laboratory of Water Resources and Environment, Tianjin Normal University, Tianjin, China;2. College of Resource and Environmental Sciences, China Agricultural University, Beijing, China;3. Department of Natural Resource Ecology and Management, Oklahoma State University, Stillwater, OK, USA;4. Institute of Plant Nutrition and Crop Physiology, University of Goettingen, Goettingen, Germany |