湘浙部分茶园氟质量分数的分析

马立锋; 石元值; 韩文炎; 阮建云

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湘浙部分茶园氟质量分数的分析

马立锋 , 石元值 , 韩文炎 , 阮建云

文章导航 > 浙江农林大学学报 > 2005 > 22(1): 28-32

马立锋, 石元值, 韩文炎, 阮建云. 湘浙部分茶园氟质量分数的分析[J]. 浙江农林大学学报, 2005, 22(1): 28-32.

引用本文:

马立锋, 石元值, 韩文炎, 阮建云. 湘浙部分茶园氟质量分数的分析[J]. 浙江农林大学学报, 2005, 22(1): 28-32.

MA Li-feng, SHI Yuan-zhi, HAN Wen-yan, RUAN Jian-yun. Mass fraction of fluorine in some tea gardens of Hunan and Zhejiang[J]. Journal of Zhejiang A&F University, 2005, 22(1): 28-32.

Citation:

MA Li-feng, SHI Yuan-zhi, HAN Wen-yan, RUAN Jian-yun. Mass fraction of fluorine in some tea gardens of Hunan and Zhejiang[J]. Journal of Zhejiang A&F University, 2005, 22(1): 28-32.

湘浙部分茶园氟质量分数的分析

1.
中国农业科学院茶叶研究所农业部茶叶化学工程重点实验室, 浙江杭州310008

基金项目:

十五国家科学技术部重点资助项目(K2000-05-02)

详细信息

作者简介: 马立锋, 助理研究员, 硕士, 从事茶树栽培和茶园土壤等研究。E-mail:malf@mail.tricaas.com

通信作者: 马立锋, 助理研究员, 硕士, 从事茶树栽培和茶园土壤等研究。

中图分类号: S571.

Mass fraction of fluorine in some tea gardens of Hunan and Zhejiang

1.
Key Laboratory of Tea Chemical Engineering of Ministry of Agriculture , Tea Research Institute , Chinese Academy of Agricultural Sciences , Hangzhou 310008, Zhejiang , China

Funds:

十五国家科学技术部重点资助项目(K2000-05-02)

摘要: 对湖南省砖茶产区及浙江省名优绿茶产区部分茶园氟的调查显示, 湖南省土壤氟的质量分数上下土层(0 ～ 20 cm 和20 ～ 40 cm)分别为(383.83 79.24)mgkg-1 和(347.44 115.95)mgkg-1 , 低于全国水平(440 mgkg-1), 但高于世界水平(200 mgkg-1)。从上下土层看, 上层土水溶性氟的质量分数高于下层土, 且水溶性氟只占到全氟量的0.03 %～0.06 %。浙江省茶园土壤氟质量分数同样较低。统计分析显示, 湖南省茶叶中氟质量分数(y )与土壤水溶性氟质量分数(x) 之间呈显著线性正相关:y =306.94x +139.31 (n =35 , r =0.34＊ , P 0.05), 成熟叶氟质量分数(y)与新梢氟质量分数(z)之间存在极显著性正相关:y =4.91z +371.38 (n =35 , r =0.72＊＊ , P 0.01)。由此可见茶叶对氟具有极强的累积作用。湖南省和浙江省茶园茶树新梢氟质量分数分别为(168.26 83.73)mgkg-1和(81.58 27.20)mg kg-1 , 属于较低的氟水平, 但成熟叶氟质量分数分别为(1 197.09 569.95)mgkg-1和(1 212.72 342.28)mgkg-1 , 属于较高的氟水平。同时对茶园土与生荒土的氟质量分数作了比较分析, 显示茶园土水溶性氟质量分数比非茶园土略低, 但没有达到显著差异。表6 参19
- 茶园 /
- 土壤 /
- 茶叶 /
- 氟 /
- 浙江 /
- 湖南
Abstract: The contents of water-soluble F , total F in the soils of tea gardens and the corresponding tea samples in Hunan Province and Zhejiang Province were determined .The results showed that the soil contained total F of (383.83 79.24)mgkg-1 in 0 -20 cm depth , and (347.44 115.95)mgkg-1 in 20 -40 cm depth in Hunan Province , which was a bit lower than the average F level in China (440 mgkg-1), but obviously higher than the F level in the world (200 mg kg-1).The available F content approximately accounted for 0.03 %-0.06 % of the total F .The F content in 0 -20cm depth were higher than that in 20 -40 cm depth .The content of F in tea soil was also low in Zhejiang Province .It was clear from the results that a high correlation was found between F contents (y)in the leaves and water-soluble F content (x)in tea soil , expressed as :y =306.94 x + 139.31 (n =35 , r =0.34＊ , P 0.05), and between F content (y )in mature leaves and new shoots (z),described by the equation :y =4.91z +371.38 (n =35 , r =0.72＊＊ , P 0.01), so F could be accumulated within the tea plants .The contents of F in the new shoots in Hunan and Zhejiang Provinces were (168.26 83.73)mgkg-1 and (81.58 27.20)mgkg-1 respectively , which were at a low level ;the contents of F in mature leaves were (1 197.09 569.95)mgkg-1 and (1 212.72 342.28)mg kg-1 respectively , which were high . The content of water-soluble F in tea soil was a bit lower than that in untilled soil , there being no significant difference (P 0.05).[ Ch , 6 tab .19 ref .]
- tea gardens /
- soil /
- tea /
- fluorine /
- Zhejiang /
- Hunan

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湘浙部分茶园氟质量分数的分析

1. 中国农业科学院茶叶研究所农业部茶叶化学工程重点实验室, 浙江杭州310008

基金项目:

十五国家科学技术部重点资助项目(K2000-05-02)

作者简介:
马立锋, 助理研究员, 硕士, 从事茶树栽培和茶园土壤等研究。E-mail:malf@mail.tricaas.com

通信作者: 马立锋, 助理研究员, 硕士, 从事茶树栽培和茶园土壤等研究。

收稿日期: 2004-03-26
修回日期: 2004-05-24
刊出日期: 2005-02-20

中图分类号: S571.

关键词:

茶园 /
土壤 /
茶叶 /
氟 /
浙江 /
湖南

摘要: 对湖南省砖茶产区及浙江省名优绿茶产区部分茶园氟的调查显示, 湖南省土壤氟的质量分数上下土层(0 ～ 20 cm 和20 ～ 40 cm)分别为(383.83 79.24)mgkg-1 和(347.44 115.95)mgkg-1 , 低于全国水平(440 mgkg-1), 但高于世界水平(200 mgkg-1)。从上下土层看, 上层土水溶性氟的质量分数高于下层土, 且水溶性氟只占到全氟量的0.03 %～0.06 %。浙江省茶园土壤氟质量分数同样较低。统计分析显示, 湖南省茶叶中氟质量分数(y )与土壤水溶性氟质量分数(x) 之间呈显著线性正相关:y =306.94x +139.31 (n =35 , r =0.34＊ , P 0.05), 成熟叶氟质量分数(y)与新梢氟质量分数(z)之间存在极显著性正相关:y =4.91z +371.38 (n =35 , r =0.72＊＊ , P 0.01)。由此可见茶叶对氟具有极强的累积作用。湖南省和浙江省茶园茶树新梢氟质量分数分别为(168.26 83.73)mgkg-1和(81.58 27.20)mg kg-1 , 属于较低的氟水平, 但成熟叶氟质量分数分别为(1 197.09 569.95)mgkg-1和(1 212.72 342.28)mgkg-1 , 属于较高的氟水平。同时对茶园土与生荒土的氟质量分数作了比较分析, 显示茶园土水溶性氟质量分数比非茶园土略低, 但没有达到显著差异。表6 参19

English Abstract

Mass fraction of fluorine in some tea gardens of Hunan and Zhejiang

1. Key Laboratory of Tea Chemical Engineering of Ministry of Agriculture , Tea Research Institute , Chinese Academy of Agricultural Sciences , Hangzhou 310008, Zhejiang , China

Funds:

十五国家科学技术部重点资助项目(K2000-05-02)

Received Date: 2004-03-26
Rev Recd Date: 2004-05-24
Publish Date: 2005-02-20

Keywords:

tea gardens /
soil /
tea /
fluorine /
Zhejiang /
Hunan

Abstract: The contents of water-soluble F , total F in the soils of tea gardens and the corresponding tea samples in Hunan Province and Zhejiang Province were determined .The results showed that the soil contained total F of (383.83 79.24)mgkg-1 in 0 -20 cm depth , and (347.44 115.95)mgkg-1 in 20 -40 cm depth in Hunan Province , which was a bit lower than the average F level in China (440 mgkg-1), but obviously higher than the F level in the world (200 mg kg-1).The available F content approximately accounted for 0.03 %-0.06 % of the total F .The F content in 0 -20cm depth were higher than that in 20 -40 cm depth .The content of F in tea soil was also low in Zhejiang Province .It was clear from the results that a high correlation was found between F contents (y)in the leaves and water-soluble F content (x)in tea soil , expressed as :y =306.94 x + 139.31 (n =35 , r =0.34＊ , P 0.05), and between F content (y )in mature leaves and new shoots (z),described by the equation :y =4.91z +371.38 (n =35 , r =0.72＊＊ , P 0.01), so F could be accumulated within the tea plants .The contents of F in the new shoots in Hunan and Zhejiang Provinces were (168.26 83.73)mgkg-1 and (81.58 27.20)mgkg-1 respectively , which were at a low level ;the contents of F in mature leaves were (1 197.09 569.95)mgkg-1 and (1 212.72 342.28)mg kg-1 respectively , which were high . The content of water-soluble F in tea soil was a bit lower than that in untilled soil , there being no significant difference (P 0.05).[ Ch , 6 tab .19 ref .]

马立锋, 石元值, 韩文炎, 阮建云. 湘浙部分茶园氟质量分数的分析[J]. 浙江农林大学学报, 2005, 22(1): 28-32.

引用本文:

马立锋, 石元值, 韩文炎, 阮建云. 湘浙部分茶园氟质量分数的分析[J]. 浙江农林大学学报, 2005, 22(1): 28-32.

MA Li-feng, SHI Yuan-zhi, HAN Wen-yan, RUAN Jian-yun. Mass fraction of fluorine in some tea gardens of Hunan and Zhejiang[J]. Journal of Zhejiang A&F University, 2005, 22(1): 28-32.

Citation:

MA Li-feng, SHI Yuan-zhi, HAN Wen-yan, RUAN Jian-yun. Mass fraction of fluorine in some tea gardens of Hunan and Zhejiang[J]. Journal of Zhejiang A&F University, 2005, 22(1): 28-32.