| 炼山后不同更新方式土壤化学性质的变化研究 |
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| 引用本文： | 林德喜,游水生,程一森.炼山后不同更新方式土壤化学性质的变化研究[J].福建林学院学报,1998,18(4). |
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| 作者姓名： | 林德喜 游水生 程一森 |
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| 作者单位： | 1. 福建林学院资源与环境系,南平,353001
2. 福建省邵武市二都林业采育场,354000 |
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| 基金项目： | 福建省教育委员会科学基金 |
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| 摘 要： | 通过研究天然阔叶林砍伐后炼山，不同更新方式土壤化学性质的变化，结果表明：人工更新和天然更新２年后与原始林地在０～２０ｃｍ和２０～４０ｃｍ土层中相比都对土壤养分有影响，尤其土壤有机质、全氮、水解性氮和速效磷都下降，速效钾却增加，人工更新比天然更新对保持土壤肥力作用更大．随着更新时间的增长土壤养分逐年下降，特别在０～２０ｃｍ土层更明显
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| 关 键 词： | 天然阔叶林 自然更新 天然更新 土壤化学性质变化 |
| 修稿时间： | 1997-12-26 |
Study on Chemical Properties of Different Regeneration Soils |
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| Lin Dexi,You Shuiseng,Cheng Yisen.Study on Chemical Properties of Different Regeneration Soils[J].Journal of Fujian College of Forestry,1998,18(4). |
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| Authors: | Lin Dexi You Shuiseng Cheng Yisen |
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| Abstract: | The chemical property changes of natural and artificial regeneration soils were studied after the natural broad-leaved forest was cut and burn two years later. The results showed that the most nutrients in the soil of 0～20cm and 20～40cm layer decreased comparied with the virgin forest,such as total nitrogen ,organic matter, available nitrogen and available phosphate, while available potassium increased. The artificial regeneration had more effective function to improve soil fertility than natural regeneration. |
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| Keywords: | natural broad-leaved forest natural regeneration artificial regeneration soil chemical property |
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