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该文采用野外试验方法，以单位水量在单位面积上冲刷的土壤量为指标，对晋西黄土区水土保持林地抗冲性进行了研究，得出不同地类土壤抗冲性差异显著．研究结果表明：油松×刺槐混交林的抗冲性最好，其次是油松林地＞刺槐林地＞虎榛子林地＞沙棘林地＞荒草地＞玉米茬地＞土质马路＞新开垦地；坡度对土壤冲刷量的影响十分明显；随冲刷过程的进行，土壤冲刷量不断减少，减少至一定值则不再减少，此时的值称为基值．同时对糙率、冲刷过程进行了分析．
In this paper, a field experiment was conducted to study the soil erosion resistance of soil and water conservation in loess areas in western Shanxi Province. The results showed that there was significant difference in soil anti-scourability between different soil types. The results showed that the best anti-impact was in Pinus tabulaeformis × Robinia pseudoacacia mixed forest, followed by Pinus tabulaeformis forest> Robinia pseudoacacia forest land> Hippophae rhamnoides woodland> Seabuckthorn forest land> Wild grassland> Corn stubble field> soil road> newly reclaimed land; The impact of the amount of erosion is very obvious. With the progress of the scouring process, the amount of soil erosion decreases continuously. When the amount of erosion decreases, the amount of erosion decreases no more. The value at this time is called the base value. At the same time, the roughness rate and erosion process were analyzed.