Spatiotemporal analysis of root tissue composition indicates soil available Si, NH4+and NO3− predict ginseng nutraceutical quality - Zhefeng Xu; Yuqiu Chen; Yibing Wang; Jiahong Sui; Ruixue Yang; Yan Xue; Kemeng Zhang; Jing Fang; Qinghe Zhang; Changbao Chen; Tao Zhang (Rhizosphere, 2025)