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当前位置: 首页 > 文章 > 科尔沁沙地榆树疏林和天然草地土壤理化性质特征分析 防护林科技 2018 (12) 30-32
Position: Home > Articles > Analysis of Soil Physical and Chemical Properties of Natural Grassland and Ulmus pumila Sparse Forest in Horqin Sandy Land Protection Forest Science and Technology 2018 (12) 30-32

科尔沁沙地榆树疏林和天然草地土壤理化性质特征分析

作  者：
包哈森高娃;郑铁军;吴志萍;芒来;阿拉坦花;蔡云辉
单  位：
内蒙古通辽市林业科学研究院
关键词：
科尔沁沙地;榆树疏林;天然草地;土壤理化性质
摘  要：
通过对榆树(Ulmus pumila)天然林和天然草地土壤理化性质进行的研究,结果表明:在0～60cm土层中榆树疏林土壤全氮、全钾、有机质、有机碳含量均高于草地,反映了榆树疏林土壤改善能力比天然草地强;在表层0～20cm榆树疏林土壤水分含量比草地高,40cm以下草地高于榆树疏林,榆树土壤水分含量随着土层深度的增加呈递减趋势,草地土壤水分含量随着土层深度的增加呈增大趋势,反映了榆树疏林深层土壤需水量比草地高;榆树土壤水溶性盐总量高于草地,反映了榆树抗盐能力比草地强。
译  名：
Analysis of Soil Physical and Chemical Properties of Natural Grassland and Ulmus pumila Sparse Forest in Horqin Sandy Land
作  者：
Bao Hasengaowa;Zheng Tiejun;Wu Zhiping;Mang Lai;A Latanhua;Cai Yunhui;Tongliao Forestry Research Institute,Inner Mongolia;
单  位：
Bao Hasengaowa%Zheng Tiejun%Wu Zhiping%Mang Lai%A Latanhua%Cai Yunhui%Tongliao Forestry Research Institute,Inner Mongolia
关键词：
Horqin sandy land;;Ulmus pumila sparse forest;;natural grassland;;soil physical and chemical properties
摘  要：
Soil physical and chemical properties of Ulmus pumila sparse forest and natural grassland were studied.The results showed:The content of total nitrogen,total potassium,organic matter and organic carbon in 0-60 cm soil layer of U.pumilasparse forest is higher than grassland,which reflected that U.pumila has a stronger ability to improve soil conditions than that of grassland.In 0-20 cm surface layer,soil moisture content of U.pumila sparse forest is higher than that of grassland,but below 40 cm,the grassland is higher than U.pumilasparse forest.In addition,the soil moisture content of U.pumilasparse forest shows a decreasing trend with the increase of soil depth,and that of grassland showed an increasing trend with the increase of soil depth.The total amount of soluble salt in U.pumilasparse forest is higher than in grassland,which reflects that U.pumilasparse forest have stronger salt resistance than grassland.These results of this study can provide data support for U.pumilaafforestation and exploitation.

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