[1]邓小华,杨丽丽,周米良,等.湘西喀斯特区植烟土壤速效钾含量分布及影响因素[J].山地学报,2013,(05):519.
　DENG Xiaohua,YANG Lili,ZHOU Miliang,et al.Distribution of Available Potassium Contents of Tobaccogrowing Soil and Its Influencing Factors in Karst Region of Xiangxi[J].Mountain Research,2013,(05):519.
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湘西喀斯特区植烟土壤速效钾含量分布及影响因素()
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《山地学报》[ISSN:1008-2186/CN:51-1516]

卷:
期数:
2013年05期
页码:
519
栏目:
山地研究
出版日期:
2013-01-01

文章信息/Info

Title:
Distribution of Available Potassium Contents of Tobaccogrowing Soil and Its Influencing Factors in Karst Region of Xiangxi
作者:
邓小华;杨丽丽;周米良;田茂成;田峰;冯晓华;吴秋明;
1.湖南农业大学，湖南 长沙 410128； 1.湘西自治州烟草专卖局，湖南 吉首416000；
3.湘西自治州农业局，湖南 吉首416000
Author(s):
DENG Xiaohua; YANG Lili; ZHOU Miliang; TIAN Maocheng; TIAN Feng; FENG Xiaohua; WU Qiuming
1. College of Agronomy，Hunan Agricultural University，Changsha 410128，China;
2.Tobacco monopoly bureau of Xiangxi Autonomous Prefecture，Jishou 416000，Hunan China; 3. Agricultural bureau of Xiangxi Autonomous Prefecture，Jishou 416000，Hunan China
关键词:
植烟土壤; 速效钾; 空间分布; 影响因素; 湘西烟区
Keywords:
tobaccogrowing soil;  available K;  spatial distribution;  influencing factors;  Xiangxi tobacco growing areas
分类号:
S159
文献标志码:
A
摘要:
采集湘西烟区488个土壤样本,分析其速效钾含量分布及影响因素。结果表明:1.湘西植烟土壤速效钾含量总体处于适宜水平,平均值为183.675 mg/kg,变幅在22.592～533.333 mg/kg,变异系数为51.78%,处于适宜范围内的样本占27.10%。2.其在空间分布上呈从西北向东南方向递减的趋势,在古丈县和芦溪县是一个低值区。3.前茬为烤烟和玉米的土壤速效钾含量高于其他前茬作物土壤。4.黄棕壤的速效钾含量高于其他土壤类型。5.植烟土壤速效钾含量有随海拔、pH值和有机质含量的升高而升高的趋势。
Abstract:
The distribution of available K contents in tobacco growing soils and its influencing factors were analyzed by collected 488 soil samples in Xiangxi of Hunan ,China. The results were as follows:1.available K contents in the tobacco soil is generally suitable for tobacco cultivation with a mean of 183.675 mg/kg，amplitude of 22.592～533.333 mg/kg and variation coefficient of 51.78%. About 21.70% of the soil samples of available K contents is suitable for tobacco cultivation. 2.IDW interpolation map indicated that the spatial distributions of available K were regularly distribution and reduced from the northwest to the eastsouth. The low value area of available K contents were in Luxi county and Guzhang county. 3.The available K contents of soil following fluecured tobacco and corn crop were higher than the other. 4.The average content of available K in yellowbrown soil was higher than the other soil types.5.The available K contents were increasing with the rise of altitude，the rise of pH and the rise of soil organic matter.

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备注/Memo

备注/Memo:
收稿日期(Received date)：2012-12-14；改回日期(Accepted)：2013-04-07。
基金项目(Foundation item)：国家烟草专卖局特色优质烟叶开发重大专项“中间香型特色优质烟叶开发”（ts-02）资助。[Supported by the major projects of State Tobacco Monopoly Bureau on the development characteristic high-quality tobacco,No.ts-02.]
作者简介（Biography）：邓小华（1965-），湖南冷水滩人，博士，教授，主要从事烟草科学与工程技术研究。[Deng Xiaohua(1965-), born in Lengshuitan of Hunan province, professor, engaged in tobacco science and engineering. ]
更新日期/Last Update: 1900-01-01