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[1]FAN Bo,YAN Bangguo,FANG Haidong,et al.Effect of N, Mn Elements and Their Interaction on the Soil Enzyme Activities of the Typical Plant Litter in the Jinsha River Hot valley[J].Research of Soil and Water Conservation,2018,25(01):220-224,230.

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Effect of N, Mn Elements and Their Interaction on the Soil Enzyme Activities of the Typical Plant Litter in the Jinsha River Hot valley

Research of Soil and Water Conservation[ISSN 1005-3409/CN 61-1272/P] Volume: 25 Number of periods: 2018 01 Page number: 220-224,230 Column: Public date: 2018-02-28

Title:: Effect of N, Mn Elements and Their Interaction on the Soil Enzyme Activities of the Typical Plant Litter in the Jinsha River Hot valley

Author(s):: FAN Bo¹, YAN Bangguo^1,2,3, FANG Haidong¹, SHI Liangtao¹, HE Guangxiong¹, PAN Zhixian¹, YUE Xuewen¹, FAN Jiancheng¹, LI Jiancha¹; 1. Institute of Tropical Eco-agricultural Sciences, Yunnan Academy of Agricultural Sciences, Yuanmou, Yunnan 651300, China;
2. Institute of Mountain Hazards and Environment, Chinese Academy of Sciences and Ministry of Water Resources, Chengdu 610041, China;
3. University of Chinese Academy of Sciences, Beijing 100049, China

Keywords:: ecological system; dry-hot valley; soil enzyme activity; correlation analysis

CLC:: S154.2;Q948.1

DOI:: -

Abstract:: The field simulation experiment was conducted to examine the effect of N, Mn elements and their interaction on the soil enzyme activities of the typical plant litter(Grewia biloba, Bombax malabaricum, Ficus elastic, Dodonaea viscosa, Ennisetum purpureum) in the hot valley. The results showed that under four treatments the plant litter soil phosphatase, soil peroxidase and urease activity of Ennisetum purpureum were higher than those of other plants. Grewia biloba under N treatment the activity of grape glycosides was higher than that of other plants, the enzyme activity was 124.89 mmol/g, was 5.17 times that of CK. Dodonaea viscose under N, Mn while adding the soil litter polyphenol oxidase activity was higher than other treatments, and the changes of the activity of soil polyphenol oxidase in Bombax malabaricum and Ennisetum purpureum were more consistent, was expressed as NM > N > Mn. At the same time, the addition of N, Mn and two of them had the great effect on the plant litter enzyme activity, especially the effect of nitrogen addition, and the significant difference between species and peroxidase (p < 0.001) was found. Element additionon only had a great effect on the soil glucosidase. There was significant correlation between soil acid phosphatase and soil glucosidase, polyphenol oxidase, correlation coefficients reached to 0.75 and 0.39, respectively; there was significant correlation between soil glucosidase and soil polyphenol oxidase. The results of this study can provide theoretical guidance and technical support for the cotrol of water loss and soil erosion in small watershed of hot valley area of the Jinsha River.

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