HUANG Shao-yan.Effects of Different Ecological Restoration Measures on Soil Fertility in Red Soil Eroded Degradation Land[J].Research of Soil and Water Conservation,2009,16(03):38-42,47.
红壤侵蚀退化地不同生态恢复措施对土壤养分影响研究
- Title:
- Effects of Different Ecological Restoration Measures on Soil Fertility in Red Soil Eroded Degradation Land
- 分类号:
- S157;S153.1
- 摘要:
- 以长汀县河田红壤严重侵蚀退化地为研究区，通过野外调查和室内分析，探讨了不同生态恢复措施对红壤侵蚀退化地土壤养分的影响。结果表明：采取6种生态恢复措施之后，改善了土壤的养分状况，土壤有机质、全氮、全磷含量较对照都有明显的提高，其中乔灌草混交、生态果园措施对提高土壤有机质和全氮的效果最好，条沟+草灌措施对提高全磷的效果较好；条沟+草灌措施和施肥治理措施对提高土壤全钾含量有一定效果；统计分析表明，不同生态恢复措施对土壤养分的改善效果大小顺序为：乔灌草混交>条沟+草灌>生态果园>全坡面播草>封禁>施肥措施。
- Abstract:
- This paper chooses Hetian town as the study area, which is the serious red soil eroded degradation ground in Changting county. By the means of field investigation and laboratory analysis, the paper studied the effects of soil fertility in red soil eroded degradation land under different ecological restoration measures. The results show that:the soil fertilities were improved after adopting the six kinds of ecological restoration measures. Soil organic matter, total N, total P was improved obviously by comparison of normal control. The best effects of improving organic matter and total N are the measures of the mixed plantation of tree, shrub and grass and ecological orchard. Plantation of grass and shrub in ditches can make better effect on improving soil total N; the measures of plantation of grass and shrub in ditches and fertilization have certain effects of improving soil total P. By statistical analysis, the order of the effects of improving soil fertility in the different ecological restoration measures is the mixed plantation of tree, shrub and grass > plantation of grass and shrub in ditches > ecological orchard > plantation grass on total slopeface > forsook > fertilization.
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备注/Memo
收稿日期:2009-3-17。
基金项目:国家重点基础研究发展计划973项目（2007CB407207）；国家自然科学基金项目（40571095）；福建省自然科学基金项目（D0810008）
作者简介:黄少燕（1960- ），女，福建省泉州市人，工程师，主要从事土壤侵蚀与水土保持方面的研究。E-mail：xzha@fjnu.edu.cn