Soil Infiltration Characteristics and Their Influencing Factors Under Different De-farmed Plantations in Southern Sichuan Province

CAI Chun-ju; FAN Shao-hui; ZHANG Da-peng; LIU Guang-lu; LIU Ya-di

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Soil Infiltration Characteristics and Their Influencing Factors Under Different De-farmed Plantations in Southern Sichuan Province

- Soil Infiltration Characteristics and Their Influencing Factors Under Different De-farmed Plantations in Southern Sichuan Province
- Bulletin of Soiland Water Conservation Vol. 32, Issue 6, Pages: 13-18(2013)
- 作者机构：
  
  国际竹藤中心国家林业局竹藤科学与技术重点实验室,北京,100102
- 作者简介：
- 基金信息：
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- Published：2013
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CAI Chun-ju, FAN Shao-hui, ZHANG Da-peng, et al. Soil Infiltration Characteristics and Their Influencing Factors Under Different De-farmed Plantations in Southern Sichuan Province[J]. Bulletin of Soiland Water Conservation, 2013, 32(6): 13-18.
DOI：

CAI Chun-ju, FAN Shao-hui, ZHANG Da-peng, et al. Soil Infiltration Characteristics and Their Influencing Factors Under Different De-farmed Plantations in Southern Sichuan Province[J]. Bulletin of Soiland Water Conservation, 2013, 32(6): 13-18. DOI：

摘要

对四川省南部的长宁县不同退耕年限硬头黄竹和撑绿杂交竹的土壤渗透性能及其影响因子进行了研究。结果表明

退耕年限和土层深度不同

土壤的渗透性能差异较大。通过主分量分析

得到不同林地土壤渗透性能综合评价结果。将7种样地类型划分为3类:第1类为退耕5a和非退耕硬头黄竹林

土壤渗透能力强第2类为农耕地和退耕10a硬头黄竹

土壤渗透能力较强第3类为3种撑绿竹林

土壤渗透能力一般或较差

这主要是由于伐竹踩踏等原因产生的土壤紧实

土壤结构差及通透性不佳等造成。土壤渗透拟合结果表明

Kostiakov模型在研究区的拟合效果优于Horton模型。

Abstract

This study investigated the characteristics of soil infiltration and their influencing factors under different de-farmed plantations of Bambusa rigida and B.pervariabiLisX Dendrocalamopsis daii in Changning County of South Sichuan Province.The results indicated that the characteristics of soil infiltration differed significantly with the depth of soil layer and number of de-farming years.The result of the comprehensive evaluation was obtained by principal component analysis

and seven test stands were classified into three groups based on soil infiltration capability.The first group

which included 5-year defarmed and norrde-farmed plantations of Bambusa rigida exhibited the strongest soil infiltration capability.The second group

which was composed of l-year defarmed Bambusa rigida plantation and farmland

showed a stronger soil infiltration capability.The third group

which comprised the three remaining types of B.pervariabiLisX D.daii plantation

demonstrated a relatively weak soil infiltration capability because of high degree of soil compaction as well as poor soil structure and permeability.The simulation of soil infiltration characteristics indicated that the fitting effect of Kostiakov model was better than that of the Horton model in the study region.

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