The results of water balance analysis were that the rainfall meet the requirement of 28.1% of water consumption of Pinus sylvestris var. mongolica, 36.3% of Populus alba.

• 对3种乔木的耗水量和降水量进行水分平衡分析；结果表明:同期降水总量只能满足樟子松蒸腾耗水量的28.；1%25、新疆杨的36