In-situ and non-invasive measurement of stem water content of trees using an innovative interdigitated-electrodes dielectric sensor less susceptible to stem diameter variation - Cheng, Xianglin; Yan, Xiaofei; Grantz, David A; Xiang, Yang; Oliveira, Ricardo Ferraz de; Huang, Lan; Wang, Zhongyi; Du, Taisheng; Cheng, Qiang (Agricultural and Forest Meteorology, 2021)