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通过定位试验，分析了四川盆地马尾松低效防护林系统改造恢复６年后群落学及土壤理化性质的效应变化，探讨了改造措施对马尾松低效防护林效应的影响。
Through the positioning experiment, the effect of community structure and soil physical and chemical properties after six years of restoration and restoration of the low-efficiency shelter forest system in Masson pine in Sichuan Basin was analyzed. The effect of the improvement measures on the ineffective shelter forest effect of masson pine was discussed.