作者：谭和平1, 陈能武2, 黄苹2, 叶善蓉1
作者单位：1. 中国测试技术研究院, 四川成都 610021;
2. 四川省农科院茶叶研究所, 四川成都 610066
关键词：川西; 茶园土壤; 营养元素; 背景值
摘要：
通过采用单道扫描等离子发射光谱仪(ICP-AES)对四川西部25个产茶县188个茶园土壤中Al、S、P、K等17种营养元素含量进行测定,着重研究了该地区茶园土壤的营养元素背景值特征。结果表明:川西茶区土壤中V、Se、Sb表现为相对富集,浓集系数K值分别为1.51,5.67,27.3;而S、P、K、Mg、Ca、Fe、Ti则表现为显著贫化;其它Al、Mn、B等7种元素含量与中国土壤元素含量背景值相当或略低。营养元素背景值因土壤类型的不同而表现出一定的差异,Al、S、Fe、V、B、Zn和Co的背景值在不同类型土壤中差异极显著;Ti、Mo、Ni和Se的背景值在不同类型土壤中差异显著,B、Co的背景值以黄壤中最高,Ca、Mn、Zn和Ni的背景值以酸性紫色土最高,Al、Sb和Se的背景值则以棕壤中最高,其余8种元素的背景值以粘土中最高。
Study on nutritive elements background of soil in tea garden in the West of Sichuan
TAN He-ping1, CHEN Neng-wu2, HUANG Ping2, YE Shan-rong1
1. National Institute of Measurement and Testing Technology, Chengdu 610021, China;
2. Institute of Tea, Sichuan Academy of Agricultural Science, Chengdu 610066, China
Abstract: By using the ICP-AES, the contents of 17 kinds of nutritive elements had been mensurated for the soil of 188 tea gardens in 25 counties or sections in west of Sichuan, the characters of the backgrounds of nutritive elements had been emphasized.The result showed that the contents of V、Se and S were enrichment relatively, the coefficient of enrichment were 1.51, 5.67 and 27.3 respectively.S、P、K、Mg、Ca、Fe and Ti were all inadequate evidently.The contents of other elements such as Al、Mn、B etc.were corresponded to the background of soil in China.The backgrounds of nutritive elements had some difference because of the different soil type.The backgrounds of Al、S、Fe、V、B、Zn and Co had very evident difference for the different soil type.The backgrounds of Ti、Mo、Ni and Se had also evident difference.The contents of B and Co were highest in the yellow soil, Ca、Mn、Zn and Ni were highest in the acidic-purple soil, Al、Sb and Se were in the umber soil, the others were highest in the clay soil.
Keywords: West of Sichuan; The soil of tea garden; Nutritive elements; Background
2005, 31(4): 1-4 收稿日期: 2005-4-12;收到修改稿日期: 2005-5-18
基金项目: 四川省科技攻关项目(03NG001-007)
作者简介: 谭和平(1957-),男,重庆丰都人,研究员,从事茶树育种、生理生化研究。
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