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《Protection Forest Science and Technology》 2018-06
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Characteristics of Soil Nutrients and Enzyme Activities Under Different Shelter Forest in the Ili River Valley

Sang Baye;Zhu Yuwei;Chen Qimin;Wang Yonghong;Chu Fenfei;Institute of Afforestation and Desertification,Xinjiang Academy of Forestry;  
Taking four typical forest in the Ili River Valley as the research objects,soil chemical properties activity of enzymes were studied in 0-20 cm and 20-40 cm soil layers,and the correlation among them was studied.Result shows that soil enzyme nutrient distribute mainly in 0-20 cm of soil layer,and less in 20-40 cm.The soil nutrient content of each model is significantly different.The contents of soil available N available P are highest in Ulmus pumila forest;total K available K are higher.The contents of soil organic matter are highest in Populus bolleana forest.There are close correlations among soil enzymes soil nutrients.Among them,soil urease shows significant positive relationships with total N,total P,available N,available P organic matter.Soil peroxidase shows a significant negative relationship with available N available P.
【Fund】: 国家林业公益性行业科研专项经费项目(201304714);; “十三五”国家重点研发计划(2016YFD060040303)
【CateGory Index】: S714
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