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当前位置: 首页 > 文章 > 商洛山区野生兰花资源及其生境土壤特性调查 河南农业科学 2011,40 (1) 118-120
Position: Home > Articles > Investigation of Resources and Habitats Soil Characteristics of Wild Orchids in Shangluo Mountain Area Journal of Henan Agricultural Sciences 2011,40 (1) 118-120

商洛山区野生兰花资源及其生境土壤特性调查

作  者：
李小玲;赵娜;华智锐
单  位：
商洛市商州区农业技术推广中心;商洛学院
关键词：
商洛山区;野生兰花;资源;生境;土壤特性
摘  要：
2009年8月至2010年6月,6次赴商洛山区调查野生兰花的种类、分布、生物学特性、生境条件和土壤状况。结果表明,共采集到蕙兰、春兰2个种类。商洛大部分兰花分布区域特征具有明显的共性,即适宜于在常绿针叶主要是油松、白皮松和落叶阔叶栓皮栋、毛栗等混交林下,温暖湿润的散射光环境中,黄棕壤土、黄褐土、砂姜黑土,土壤pH值约6.5下生长。对植株根际土壤的测定结果表明,商南和商州区土壤pH值为7.2,偏微碱性,其他地区pH值为5.0~6.5,均为偏酸性土壤;商州区和山阳土壤中可溶性盐相对比其他地区高,土壤的盐碱化程度高,适宜抗性较强的蕙兰生长。调查地区的土壤都富含有机质,商州和商南两地尤为突出,分别高达79.9 g/kg和77.6 g/kg,土壤有效磷含量都表现为中磷水平,全氮含量都偏高,其中商州区达3.35 g/kg。
译  名：
Investigation of Resources and Habitats Soil Characteristics of Wild Orchids in Shangluo Mountain Area
作  者：
LI Xiao-ling1,ZHAO Na2,HUA Zhi-rui1(1.Biomedical Medicine Engineering Department of Shangluo University,Shangluo 726000,China;2.Agricultural Technology Promotion Center of Shangzhou District of Shangluo City,Shangluo 726000,China)
关键词：
Shangluo mountain area;Wild orchids;Resources;Habitat;Soil properties
摘  要：
By 6 times surveys in Shangluo mountain area for investigating the species,distribution,botanical characteristics,habitat conditions and soil conditions of wild orchid during August 2009-June 2010,two varieties Cymbidium faberi and Cymbidium goeringii had been found.The distribution features of most Shangluo orchids were obviously in common,that was,they were suitable mainly in the Montane mixed evergreen and deciduous broadleaved forests under the warm and humid environment of scattered light,yellowbrown soil,cinnamon soil or lime concretion black soil and soil pH value of about 6.5.By measuring the plant rhizosphere soil,the results showed that the pH of Shangnan and Shangzhou soil was 7.2,slightly alkaline,while the others were acidic with pH range of 5.0-6.5;the soluble salts in soil from Shangzhou area and Shanyang were all relatively higher than that of other areas,and the higher degree of soil salinity was suitable for growth of Cymbidium faberi;the survey areas were rich in soil organic matter,especially both Shangnan and Shangzhou,as high as 79.9g/kg and 77.6g/kg;the content of phosphorus from the survey areas soil was middle and the total nitrogen concentration was higher,which of Shangzhou was 3.35g/kg.

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