| 人工林地力的衰退与维护研究综述 |
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| 引用本文： | 张昌顺,李昆.人工林地力的衰退与维护研究综述[J].世界林业研究,2005,18(1):17-21. |
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| 作者姓名： | 张昌顺 李昆 |
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| 作者单位： | 中国林科院资源昆虫研究所,昆明,650224 |
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| 基金项目： | 科技部项目干热河谷地区生态综合整治技术研究 |
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| 摘 要： | 人工林地力的衰退与维护是一个世界性问题，在查阅大量国内外文献的基础上，文中介绍了国内外人工林地力衰退状况，从人工林群落结构及其功能、土壤微生物种群区系变化、植物自身毒素、栽培措施等方面分析了地力衰退产生的原因，同时提出了保护林下植被、调整林分结构、混农林业、混交、轮作与休闲以及林地施肥与土壤改良等措施维护地力，概述了人工林地力衰退研究进展及发展趋势。
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| 关 键 词： | 人工林地 地力衰退 混交 栽培措施 林分结构 土壤改良 施肥 混农林业 国内外 研究综述 |
| 文章编号： | 1001-4241(2005)01-0017-5 |
| 收稿时间： | 2004/8/11 0:00:00 |
| 修稿时间： | 2004年8月11日 |
Advance in Research on Soil Degradation and Soil Improvementof Timber Plantations |
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| Zhang Changshun and Li Kun.Advance in Research on Soil Degradation and Soil Improvementof Timber Plantations[J].World Forestry Research,2005,18(1):17-21. |
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| Authors: | Zhang Changshun and Li Kun |
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| Institution: | Research Institute of Resources Insects, CAF, Kunming 650224, China;Research Institute of Resources Insects, CAF, Kunming 650224, China |
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| Abstract: | Soil degradation and its improvement for timber plantation is a universal question. On the basis of literatures analysis, the historical background and current situation on site productivity decline of timer plantation were reviewed in this paper. Then, its causes were revealed by analysing communal structure and function, soil microflora, phytoautotoxin, cultivation methods, and so on. To improve soil fertility, countermeasure were put forward such as protecting undervegetation, regulating stands structure, managing agroforestry, mixed stands, tree rotation and fallow, fertilizing, and soil improvement, scientific management. Finally, new advance and the trend of its research were summarized. |
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| Keywords: | artificial plantation soil degradation soil improvement prospects |
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