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[1]HUO Xiao-peng,ZHANG Xing-hua,LI Xian-wei,et al.Study on the Soil Nutrient in Different Forest Types in Miyaluo Forest Area of Western Sichuan[J].Research of Soil and Water Conservation,2012,19(03):58-62,66.

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Study on the Soil Nutrient in Different Forest Types in Miyaluo Forest Area of Western Sichuan

Research of Soil and Water Conservation[ISSN 1005-3409/CN 61-1272/P] Volume: 19 Number of periods: 2012 03 Page number: 58-62,66 Column: Public date: 2012-06-20

Title:: Study on the Soil Nutrient in Different Forest Types in Miyaluo Forest Area of Western Sichuan

Author(s):: HUO Xiao-peng^1,2, ZHANG Xing-hua³, LI Xian-wei², ZHANG Jian², ZHANG Yi¹; 1. Safety Environment & Technology Supervision Research Institute, Southwest Oil & Gasfield Company, Chengdu 610213, China;
2. Key Laboratory of Ecological Forestry Engineering in Upper Reaches of Yangtze River of Sichuan Province, Sichuan Agricultural University, Ya’an, Sichuan 625014, China;
3. Forestry Bureau of Jintang County, Jintang, Sichuan 610400, China

Keywords:: Miyaluo; forest type; soil nutrient

CLC:: S714.2，S714.8

DOI:: -

Abstract:: In this paper, by using the method of soil sampling and laboratory analysis, the soil nutrient of different forest types in Miyaluo forest area of western Sichuan have been investigated. The results showed that: (1) the order of the soil organic matter contents in the different forest types was fir forest (FF)>40 a Picea baifouriana-Larix kaempferi plantation (D)>70 a Picea baifouriana plantation (F)>40 a Picea baifouriana plantation (C)>shrub forest (SF)>birch forests (BF)>40 a Larix kaempferi plantation (B)>25 a Picea baifouriana-Larix kaempferi plantation (A)>55 a Picea baifouriana plantation (E), and the maximum soil total N content in different forest types was found in FF; (2) the maximum soil total K content in different forest types was observed in B, the maximum soil available K content was found in D; (3) the maximum soil total P content was observed in B in the different forest types, and the maximum soil available P content was found in E; (4)there was great significant negative correlation between soil pH and soil organic matter content, and negative correlation between soil pH and soil total N. The significant positive correlation was found between soil organic matter content and soil total N, and soil available P and soil total K had negative correlation with soil organic matter content. There was no obvious correlation between soil total K and available K, as well as soil total P and soil available P.

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