Effects of mowing frequency on the interspecific water relationships of a walnut (Juglans regia L.)-alfalfa (Medicago sativa L.) intercropping system - Wang, Yao; He, Chunxia; Meng, Ping; Sun, Shoujia; Zhang, Jinsong; Xue, Pan; Li, Jianxia; Cai, Jinfeng (Plant and Soil: An International Journal on Plant-Soil Relationships, 2025)