Response characteristics of photosynthesis and sap flow parameters in Tamarix chinensis leaves to depth of groundwater table in the Yellow River Delta
REN Ran-ran, XIA Jiang-bao, ZHANG Shu-yong, ZHAO Zi-guo, ZHAO Xi-mei
JOURNAL OF NATURAL RESOURCES . 2019, (12): 2615 -2628 .  DOI: 10.31497/zrzyxb.20191211