A Study on Effects of Artificial Afforestation on Soil Nutrients Based on Matter Element Model

GUO Yangyang; YAO Yunfeng; QIN Fucang; LI Yinghua; LIU Junhua

doi:10.13961/j.cnki.stbctb.2016.03.055

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A Study on Effects of Artificial Afforestation on Soil Nutrients Based on Matter Element Model

- A Study on Effects of Artificial Afforestation on Soil Nutrients Based on Matter Element Model
- Bulletin of Soiland Water Conservation Vol. 36, Issue 3, Pages: 321-328(2016)
- 作者机构：
  
  1. 内蒙古农业大学生态环境学院,内蒙古,呼和浩特,010018
  2. 内蒙古赤峰市敖汉旗水利局,内蒙古,赤峰,024300
- 作者简介：
- 基金信息：
- DOI：10.13961/j.cnki.stbctb.2016.03.055
  CLC：
- Published：2016
- 稿件说明：
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GUO Yangyang, YAO Yunfeng, QIN Fucang, et al. A Study on Effects of Artificial Afforestation on Soil Nutrients Based on Matter Element Model[J]. Bulletin of Soiland Water Conservation, 2016, 36(3): 321-328.
DOI：

GUO Yangyang, YAO Yunfeng, QIN Fucang, et al. A Study on Effects of Artificial Afforestation on Soil Nutrients Based on Matter Element Model[J]. Bulletin of Soiland Water Conservation, 2016, 36(3): 321-328. DOI： 10.13961/j.cnki.stbctb.2016.03.055.

摘要

［目的］分析人工造林对于土壤养分的影响，为合理造林提供一定的理论依据。［方法］以内蒙古自治区敖汉旗1983与2013年的土壤养分数据作为基础，运用层次分析法与物元模型对1983和2013年内的土壤数据进行养分分级，并进一步描述了各土壤养分变化特征。［结果］ 5种类型土壤的有机质与全氮在造林30 a后呈上升趋势；磷与钾呈逐渐减少趋势。造林后，土壤养分等级普遍呈增加趋势。［结论］造林使土壤有机质增加，合理的人工林结构有助于维持土壤肥力。

Abstract

[Objective] To provide theoretical basis for artificial afforestation by analyzing the effects of artificial afforestation on soil fertility.[Methods] Soil nutrient data of Aohan Banner

Inner Mongolia Autonomous Region in 1983 and 2013 was collected

and the analytic hierarchy process and element matter model was used to assess the classification of soil fertility variation in 1983 and 2013.[Results] After 30-year afforestation

the content of organic matter and nitrogen in five different types of soil were increasing

while the content of phosphorus and potassium were decreasing. Soil nutrient level showed an increasing trend as well.[Conclusion] Afforestation can increase the content of soil organic matter

and the reasonable artificial forest structure is helpful to maintain soil fertility.

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