{"title":"AVAILABLE SULPHUR STATUS OF DOOARS TEA SOILS","authors":"J. Ghosh, U. George, N. Barpujari","doi":"10.20425/IJTS.V5I3AND4.4680","DOIUrl":null,"url":null,"abstract":"Available sulphur was determined on 5077 soils from the tea growing areas of Dooars (North Bengal), received for routine soil testing between 2000-2003. Over 43% of the soils had more than the critical limit of 40 ppm available sulphur. A distinct geographical trend in sulphur availability was observed, with the four western sub-districts showing a greater frequency of high available sulphur than the three eastern sub-districts. As expected, increased organic carbon in the soils could be correlated by a quadratic equation to the available sulphur status. Three subdistricts, Chulsa, Binnaguri and Dalgaon did not show a high correlation between organic carbon and available sulphur. Surprisingly, a negative linear relationship could be observed between soil pH and available sulphur, in all but the Jainti sub-district. This may be compounded by a negative correlation between soil pH and organic carbon status, in all but the Binnaguri, Kalchini and Jainti sub-districts.","PeriodicalId":17156,"journal":{"name":"茶叶科学","volume":"32 1","pages":""},"PeriodicalIF":0.0000,"publicationDate":"2006-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":"2","resultStr":null,"platform":"Semanticscholar","paperid":null,"PeriodicalName":"茶叶科学","FirstCategoryId":"1087","ListUrlMain":"https://doi.org/10.20425/IJTS.V5I3AND4.4680","RegionNum":0,"RegionCategory":null,"ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":null,"EPubDate":"","PubModel":"","JCR":"","JCRName":"","Score":null,"Total":0}
引用次数: 2
Abstract
Available sulphur was determined on 5077 soils from the tea growing areas of Dooars (North Bengal), received for routine soil testing between 2000-2003. Over 43% of the soils had more than the critical limit of 40 ppm available sulphur. A distinct geographical trend in sulphur availability was observed, with the four western sub-districts showing a greater frequency of high available sulphur than the three eastern sub-districts. As expected, increased organic carbon in the soils could be correlated by a quadratic equation to the available sulphur status. Three subdistricts, Chulsa, Binnaguri and Dalgaon did not show a high correlation between organic carbon and available sulphur. Surprisingly, a negative linear relationship could be observed between soil pH and available sulphur, in all but the Jainti sub-district. This may be compounded by a negative correlation between soil pH and organic carbon status, in all but the Binnaguri, Kalchini and Jainti sub-districts.
期刊介绍：
The Journal of Tea Science was established in August 1964, approved by the Publicity Department, CCCPC. Its title was inscribed by Zhu De, the chairman of CCCPC. It was discontinued during the Cultural Revolution in 1966, and it was reissued in August 1984, approved by the State Scientific and Technological Commission.Academicians Chen Zongmao and Liu Zhonghuaof the Chinese Academy of Engineering served as the directors of the editorial board. The Journal of Tea Science is managed by the China Association for Science and Technology,sponsored by the China Tea Science Society and the Tea Research Institute of the Chinese Academy of Agricultural Sciences, and edited and published by the editorial office of the Journal of Tea Science. It is the only one of Chinese core journals in the field of tea science that is included in the core library of the Chinese Science Citation Database.Its Domestic Unified Serial Number is CN 33-1115/S, its International Standard Serial Number is ISSN 1000-369X and its International publication name code is CODEN-CHKEF4. At present, the Journal of Tea Science is a bimonthly publication, published in the middle of the month, with a book size of 16.
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