Changes on available phosphorus and total nitrogen contents from soil around roots of two desert plantsGuo-Hua Chang, Wang-jiang Wang, Zhuo-Xin Yin, Bin Yue, Jin-xiang Wang and Tian-peng GaoE3S Web Conf., 293 (2021) 01002DOI: https://doi.org/10.1051/e3sconf/202129301002