YIN Na,WEI Tian-xing,ZHANG Xiao-juan.The Characteristics of Soil Nutrient in Artificial Forest Land in the Hilly Loess Plateau[J].Research of Soil and Water Conservation,2008,15(02):209-211,214.
黄土丘陵区人工林土壤养分效应研究
- Title:
- The Characteristics of Soil Nutrient in Artificial Forest Land in the Hilly Loess Plateau
- 分类号:
- S714.8
- 摘要:
- 以人工油松林和人工刺槐林为例进行比较,分析了黄土丘陵区人工林土壤养分特征及分布,进行了人工林土壤养分效应的研究.结果表明:该研究区人工林土壤肥力处于低水平;人工林表层土壤养分中有机质和全磷的空间变异性较大;各种养分在剖面中的含量具有明显的层次性,表层(0-20 cm)养分含量最高,向下层逐渐降低;在人工刺槐林中,土壤有机质含量与全氮含量相关性显著,有机质含量与全磷含量、速效钾含量相关性较为显著,与速效磷含量相关性不显著;在人工油松林中.土壤有机质含量与全氮含量相关性显著,有机质含量与速效磷含量、速效钾含量相关性较为显著,与全磷含量相关性不显著.
- Abstract:
- The article is making the comparisons with the artificial Pinus tabulaeformis forest and the artificial Robinia pseudoacacia forest,analyzing the physical and chemical properties of the plantation soil in the Loess Hills Area,making the research about the effect of the plantation soil nutrients.The results showed that:generally speaking,the planted forest soil fertility is in low level in this study area.In the planted forest super crust soil nutrient,the space deviancy of the organic quality and the entire nitrogen is bigger.The contents of various nutrients in section have obvious arrangement of ideas,the nutrient content in super crust(0-20 cm) is maximal,reduce gradually to lower levels;In the artificial robinia pseudoacacia forest,the correlativity of the soil organic contents and the soil nitrogen contents is notable.The correlativity of the organic contents and the entire phosphorus contents is comparatively notable,the correlativity of the organic contents and the quick results potassium contents is comparatively notable.The correlativity of the organic contents and the available phosphorus contents is not notable;In the artificial Pinus tabulae formis forest,the correlativity of the soil organic contents and the soil nitrogen contents is notable,the correlativity of the organic contents and the available phosphorus contents is comparatively notable,the correlativity of the organic contents and the quick results potassium contents is comparatively notable.The correlativity of the organic contents and the entire phosphorus contents is not notable.
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备注/Memo
收稿日期:2007-10-15;改回日期:。
基金项目:"十一五"科技支撑计划(2006BAD03A1206);山西吉县森林生态系统国家科学观测研究站项目
作者简介:尹娜(1982- ),女,研究生,主要从事森林生物量及营养元素循环研究.E-mail:yinna3030@163.com
通讯作者:魏天兴,副教授,主要从事林业生态工程与效益评价研究.E-mail:weitx@bjfu.edu.cn
通讯作者:魏天兴,副教授,主要从事林业生态工程与效益评价研究.E-mail:weitx@bjfu.edu.cn