Theoretic guides for tree species selected, proper arrangement and perfect manual vegetation system reconstruction will be provided by study on traits of tree species drought-resistance.
通过树种耐旱生理、耗水特性等指标的研究，可为合理选择树种并进行适当搭配，建立较为完善的人工植被恢复系统，提供理论依据。
Methods of soil auger and pot experiment were used to research vertical root distributions and drought resistance of main planting tree species in the Weibei loess plateau.
采用土钻法和盆栽试验研究了渭北地区主要造林树种的垂直根系分布特征及其抗旱性。
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