The results showed that significant differences can be analyzed among soil organic carbon contents of forestland,orchard,vegetable garden,maize field and grass slope,which were measured as 13.876,9.655,9.261,6.134 g/kg and 7.968 g/kg,respectively.

• 结果显示；不同土地利用方式紫色土壤有机碳总量以林地(13.；876 g/kg)显著高于果园地(9