干旱胁迫对桢楠幼树渗透调节与活性氧代谢的影响及施氮的缓解效应

王曦,胡红玲,胡庭兴,张城浩,王鑫,刘丹

Effects of drought stress on the osmotic adjustment and active oxygen metabolism of Phoebe zhennan seedlings and its alleviation by nitrogen application

Xi WANG,Hong-Ling HU,Ting-Xing HU,Cheng-Hao ZHANG,Xin WANG,Dan LIU

表2 干旱胁迫与对应的施氮水平

Table 2 Drought stress gradients and coupled exogenous N inputs designed in the experiment

试验代号 Test code 土壤水分含量 Soil moisture content (% FC) 氮水平 N level (g·pot-1) 15N0 15 0 15MN 15 1.35 15HN 15 2.70 30N0 30 0 30MN 30 1.35 30HN 30 2.70 50N0 50 0 50MN 50 1.35 50HN 50 2.70 80N0 80 0 80MN 80 1.35 80HN 80 2.70