山杏叶片光合生理参数对土壤水分和光照强度的阈值效应
夏江宝, 张光灿, 孙景宽, 刘霞

Threshold effects of photosynthetic and physiological parameters in Prunus sibirica to soil moisture and light intensity
XIA Jiang-Bao, ZHANG Guang-Can, SUN Jing-Kuan, LIU Xia
图4 山杏叶片净光合速率和水分利用效率对土壤水分的响应(平均值±标准误差)。
Fig. 4 Soil moisture responses of net photosynthetic rate (Pn) and water use efficiency (WUE) of Prunus sibirica leaf (mean ± SE). Wm, soil mass water content.