摘要
利用模糊数学和多元统计分析原理,对常绿阔叶林、针阔混交林、马尾松林和杉木林4类森林植被下土壤化学和生物化学肥力进行了综合评价。结果表明:4类林分土壤化学、生物化学综合肥力由高到低依次是常绿阔叶林、针阔混交林、马尾松林、杉木林,0 20cm土层土壤肥力综合指标值分别为0.7412、0.5796、0.4798、0.3476,20 40cm土层则分别是0.2357、0.1746、0.1592、0.1168。土壤肥力综合评价结果和单项肥力指标分析结果一致,但比单项肥力分析更具说服力。
Comprehensive evaluation of soil chemical and biochemical fertility under different vegetations (broadleaved forest, mixture of broad leaved and coniferous trees, Pinus massoniana, Cunninghamia lanceolata) were conducted using fuzzy mathematics and multiple statistics principle. It is found that the integrated chemical and biochemical fertility ranged as following order : broadleaved > mixture> Pinus massoniana> Cunninghamia lanceolata (integrated fertility index for 020 cm horizon were 0.741 2, 0.579 6, 0.479 8 and 0.347 6 respectively).The result of integrated fertility evaluation is consistent with single factor of fertility evaluation, but it is more convincible.
出处
《林业科学研究》
CSCD
北大核心
2002年第6期700-705,共6页
Forest Research
基金
2002年亚太区域示范林项目(GCT/RAS/177/JPN)资助
关键词
森林植被
土壤化学
综合评价
土壤肥力
土壤生物化学
broadleaved forest
mixture of broadleaved and coniferous trees
Pinus massoniana
Cunninghamia lanceolata
soil fertility
integrated evaluation
