桉树取代马尾松后土壤肥力变化研究  

Research on the Variation of the Soil Fertility in the Garden of the Eucalyptus Forest Replacing Masson Pine

作　　者：何秋香[1] 邹杰 黄芳英 丁晖[4] 徐海根[4] 

机构地区：[1]海南大学园艺园林学院,海南儋州571737 [2]广西省柳州市林业局,广西柳州545001 [3]广西省柳州市苗圃林场,广西柳州545007 [4]环境保护部南京环境科学研究所,江苏南京210042

出　　处：《安徽农业科学》2011年第18期10874-10876,共3页Journal of Anhui Agricultural Sciences

基　　金：海南大学校基金(Kyjj0613);国家环保公益性行业科研专项(200709017)

摘　　要：[目的]了解桉树取代马尾松林后土壤肥力的变化。[方法]采集广西柳州马尾松林及马尾松砍伐后种植桉树林下土壤,通过室内分析和比较,研究桉树取代马尾松后土壤肥力的变化。[结果]桉树取代马尾松林后,土壤有机质、全N、全P、全K和速效K含量保持不变,碱解N和速效P含量有所提高,土壤pH有所改善。桉树林下土壤综合肥力没有降低,桉树生长后期土壤综合肥力反而有所提高。[结论]桉树取代马尾松后,土壤肥力没有发生退化,桉树生长后期土壤综合肥力反而有所提高。[Objective] The change of the soil fertility in the forest land of the eucalyptus replacing the former--Masson pine was analyzed. [ Method] The soil sample from the forest land of Masson pine and from the forest land of eucalyptus that were planted in the same land of the for- mer--Masson pine growing ＇after they had been felled in Liuzhou city of Guangxi province was analyzed and compared in the soil fertility. [ Re- sults ] After the Masson pine was replaced with eucalyptus, the content of organic matter, total N, total P, total K and available K in the forest soil was same as before ,however ,the content of alkaline solution N and available P was increased and the pH value was also improved. The soil inte- grated fertility was not reduced and would be improved in the late period of eucalyptus forest growth. [ Conclusion] at the beginning that the Mas- son pine was replaced with eucalyptus there was no any variation in the soil fertility and the integrated fertility of soil in eucalyptus forest would be improved in later.

关 键 词：桉树 马尾松 取代 土壤肥力 

分 类 号：S714.8[农业科学—林学]