The result shows that:the soil quality grows with the planting and growing of artificial vegetations,but they have great differences as every plot has the different vegetations in coverage and types.

• 以陕北农牧交错带为研究对象,通过对不同人工植被下的土壤机械组成、土壤养分、土壤微生物、土壤酶活性的变化进行分析,得到不同植被对土壤质量的影响结果。