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长期氮沉降对杉木人工林叶、枝氮磷养分再吸收的影响
沈芳芳1,2,李燕燕1,2,刘文飞2,段洪浪2,樊后保2,*(),胡良2,孟庆银3
Responses of nitrogen and phosphorus resorption from leaves and branches to long-term nitrogen deposition in a Chinese fir plantation
SHEN Fang-Fang1,2,LI Yan-Yan1,2,LIU Wen-Fei2,DUAN Hong-Lang2,FAN Hou-Bao2,*(),HU Liang2,MENG Qing-Yin3

图4. 长期氮沉降条件下杉木叶和枝REN与REP, N:P与REN:REP的线性关系。

Fig. 4. Linear relationship between N resorption efficiency (REN) and P resorption efficiency (REP), N:P and N resorption efficiency to P resorption efficiency ratio (REN:REP) of leaf and branch under long-term nitrogen deposition treatments. Data included treatments for 14 years.