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河北省丰宁满族自治县水务局 ,从 1 989年实施密云潘家口水库上游水土保持重点治理项目以来 ,一直把沙棘做为封锁侵蚀沟道、治理坡面的先锋树种 ,并且获得了令人鼓舞的显著效果。用沙棘治沟封坡的基本模式是 :坡面沿等高线每 3 0 m一道水平沟 ,水平沟沿栽 1行沙棘 ,株距 1 m;侵
Fengning Manchu Autonomous County Water Resources Bureau of Hebei Province has been using seabuckthorn as a blockade erosion channel and controlling the pioneer tree species on the slope since implementing the key project of soil and water conservation in the upper reaches of the Panjiakou Reservoir in Miyun in 1989 and has achieved encouraging results Significant effect. With seabuckthorn gully cover the basic pattern is: slope along the contour line every 30m a horizontal groove, horizontal groove along the planted a row of seabuckthorn, spacing 1m; invasion