Effects of defoliation timing on plant nutrient resorption and hay production in a semi-arid steppe
Tongrui Zhang, Frank Yonghong Li, Hao Wang, Lin Wu, Chunjun Shi, Yanlong Li and Jie Hu
J Plant Ecol . 2021, (1): 44 -57 .  DOI: 10.1093/jpe/rtaa076