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本文通过对寒区常见四种植物根系对土壤抗冲性的研究，考察了各种植物根系对土壤抗冲性的增强作用，用根系分析系统对各种植物根系的形态学指标进行了分析。
Through the research on how the root systems of four plant species commonly found in the fridid zone affect the soil anti-scouribility, this article shows the result of the investigations on the effects that different plants have on enhancing the soil anti-scouribility as well as the culculations and analysis of the morphological index of different plants' root systems by using the Analytical System of Plant Roots.

结果表明：在不同雨量、不同角度、不同层次下，四种植物的抗冲性能差别很大。
And the result of the research indicates that the anti-scouribility of four selected plants differentiated greatly under different circumstances, for instance, different rain precipitation, and the differnce in planting angles on different stages may also affect the results.

其中，丁香＞水蜡＞红瑞木＞连翘。不同植物种对于土壤抗冲性增强的贡献大小不同，贡献大小与根系特征密切相关．推荐了几种适用于寒区和水土保持控制的具有推广价值的高土壤固持能力的植物物种。
Among these four plants, cloves ranked first in enhancing t