Distribution Characteristics of Soil Nutrients in Soil Profiles under Different Landuses

[Objective] The research aimed to study the effects of land use on soil nutrients distribution and seasonal variation in different profile.[Method]The impacts of land use types on soil nutrients conditions were analyzed systematically in Chaihe Basin. [Result]Soil total nitrogen,total phosphorus,organic matter were significantly affected by land use,and the contents of facility agriculture and traditional agriculture were the highest.The profile distribution of total nitrogen,total phosphorus,organic matter generally presented a declining trend,and the declining trend of facility agriculture and traditional agriculture were stronger.[Conclusion]Season had significant influence on soil nutrient content.