YUAN Qin,CUI Xiang-xin,QIAO Rong.Effect of Different Artificial Forest Plantations on Soil Physical and Chemical Properties of Sandstone Areas[J].Northern Horticulture,2013,37(18):52-55.
砒砂岩区不同人工林对土壤理化性质的影响
- Title:
- Effect of Different Artificial Forest Plantations on Soil Physical and Chemical Properties of Sandstone Areas
- 文章编号:
- 1001-0009（2013）18-0052-04
- 分类号:
- S 714
- 文献标志码:
- A
- 摘要:
- 以准格尔旗内砒砂岩区的10 a生柠条林、沙棘林、山杏林、油松林及山杏柠条混交林等5种类型人工林为研究对象，测定了不同人工林下不同土层土壤的含水率、容重、pH值、有机质和速效氮、磷、钾含量，研究了不同人工林下不同土层土壤水分、养分的含量与变化规律，探讨植被配置模式与土壤改良的效应关系。结果表明：不同的人工林配置模式对土壤水分、土壤结构、土壤养分的影响存在着差异，以沙棘林、山杏柠条混交林改良土壤理化性质的综合效应最佳，其次为柠条林、油松林、山杏林。与天然荒草地相比，各人工林均能有效地提高土壤含水率，改良土壤结构；可以有效地增加有机质含量以及土壤中的速效氮、磷、钾含量。
- Abstract:
- Taking 10-year-old of Caragana microphylla(CM),Hippophae rhamnoides(HR),Prunus armeniaca(PA),Pinus tabulaeformis(PT) and Prunus armeniaca-Caragana microphylla mixed forest(PC) 5 types of artificial forest of Tungar in soft sandstone area as object,the soil moisture content,bulk density,pH value,organic matter and available N,P,K content of different artificial forests soil in different layers were determinated,and the variation of soil moisture,soil nutrient under different artificial forests were studied,the relationship between the models of vegetation disposition and soil improvement effect were explored.The results showed that the differences existed for the influence of different artificial forest plantations on soil moisture,soil structure and soil nutrients.With HR,PC improved soil physical and chemical properties of the best comprehensive effect,followed by CM,PA,PT.Five types artificial forest plantations could effectively improve the soil moisture content and improve soil structure.Five types artificial forest plantations could effectively increase the content of organic matter and available N,P,K in the soil.
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备注/Memo
第一作者简介：袁勤（1987-），女，硕士研究生，研究方向为荒漠化防治。E-mail：yuanqin2010@126.com.
责任作者：崔向新（1962-），女，博士研究生，教授，硕士生导师，研究方向为荒漠化防治。E-mail：cuixiangxin1962@163.com.
基金项目：国家林业局“948”资助项目（2010-4-17）。
收稿日期：2013-04-15