LI Pin-rong,CHEN Qiang,CHANG En-fu,et al.Preliminary Study on Land Capacity Change of Different Returning Cultivated Land to Forest Model Soils at Karst Mountains Desertification Area in Southeastern Yunnan[J].Research of Soil and Water Conservation,2008,15(01):65-68,71.
滇东南石漠化山地不同退耕还林模式土壤地力变化初探
- Title:
- Preliminary Study on Land Capacity Change of Different Returning Cultivated Land to Forest Model Soils at Karst Mountains Desertification Area in Southeastern Yunnan
- Keywords:
- karst mountains; desertification; land capacity; returning farmland to forest; southeastern Yunnan
- 分类号:
- S152.4;S153.6
- 摘要:
- 通过对滇东南西畴县石漠化山地12种不同退耕还林模式的土壤进行定点观测和地力变化分析，结果表明：土壤物理性状有很大改善，土壤抗蚀性和储水性增强，土壤养分提高，土壤吸收保存养分离子能力增强。对于提高地力而言，墨西哥柏+金银花、花椒+白枪杆、川滇桤木+红三叶、川滇桤木林、花椒+大白脉根和墨西哥柏+紫花苜蓿等6种模式较佳，值得在石漠化山地推广。
- Abstract:
- A preliminary study on the land capacity change of twelve returning cultivated land to forest models in Xichong county of southeastern Yunnan was conducted by ocean weather station observation.The premilinary results showed that the soil physical property has been greatly improved.The nutrition, corrosion stability and storing water capacity of soil are made better, which resulted by returning cultivated land to forest for many years.In term of land capacity improvement, Cupressus lusitanica +Lonicera japonica, Zauthoxylum bungeanum +Fraxinus malacophylla, Alnusferdinandi-coburgii +Alnusf erdinandi-coburgii, Alnusferdinandi-coburgii, Zauthoxylum bungeanum+Lotus uliginosus ev.Crasslands and Cupressus lusitanica+Medicago sativa are better models, which are worth popularizing in karst mountains desertification area.
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备注/Memo
收稿日期:2006-9-7
基金项目:云南省“十五”科技攻关项目（2001NG54）
作者简介:李品荣（1973- ），男，云南大理人，高级工程师，硕士，主要从事岩溶地区森林资源培育、植被恢复研究。