豫中烟区烟叶烟碱含量与土壤颗粒组成的空间变异性
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摘要
以半方差函数为工具对豫中烟区烟叶烟碱含量和土壤颗粒组成的空间变异性特征进行地统计学分析,并对二者进行相关性分析,绘制研究区内具有区域性变量特征的烟叶烟碱含量和不同粒径土壤颗粒组成的空间分布图,以期为河南省烟草的合理布局提供依据。相关性分析表明,豫中烟区烟叶烟碱含量与粒径0. 05～0. 10 mm和粒径<0. 001 mm的土壤颗粒含量呈极显著负相关,与粒径0. 001～0. 010 mm的土壤颗粒含量呈极显著正相关。半方差模型分析结果表明,豫中烟区烟叶烟碱含量符合指数模型,块金值/基台值即C_0/(C_0+C)为0. 31,为中等程度变异性。土壤颗粒组成中,粒径0. 001～0. 010 mm和粒径<0. 001 mm的土壤颗粒含量的C_0/(C_0+C)分别为0. 23和0. 24,均小于0. 25,属于强空间变异性;粒径> 0. 10 mm、粒径0. 05～0. 10 mm的土壤颗粒含量的C_0/(C_0+C)都在0. 25～0. 75,属于中等强度的空间变异性;粒径0. 01～0. 05 mm的土壤颗粒含量的C_0/(C_0+C)为0. 76,属于弱的空间变异性。因此,豫中烟区烟叶烟碱含量具有一定的空间变异性,与植烟田土壤颗粒组成关系密切。生产上为了保证获得适宜烟碱含量的优质烟叶,应在考虑土壤质地空间变异性影响的基础上进行合理布局。
In this paper,spatial variability characteristics of nicotine content of flue-cured tobacco leaves and soil granule composition in tobacco planting fields in central Henan province were studied using geostatistics,the correlation between them was analyzed,and the spatial distribution maps of these variables were depicted in order to provide the basis for reasonable layout of tobacco in Henan province. Correlation analysis revealed that there was significantly negative correlation between nicotine content of tobacco leaves and soil granule contents of 0. 05—0. 10 mm and < 0. 001 mm,while there was significantly positive correlation between nicotine content of tobacco leaves and soil granule content of 0. 001—0. 010 mm. The results of semi-variance model analysis showed that the nicotine content of flue-cured tobaccoleaves was well described with exponential model,which had a medium spatial variability with the C_0/( C_0+C) value being 0. 31. Among different soil textures,the soil granule contents of 0. 001—0. 010 mm and< 0. 001 mm had a strong spatial variability with the C_0/( C_0+ C) values being 0. 23 and 0. 24 respectively,the soil granule contents of > 0. 10 mm and 0. 05—0. 10 mm had a medium spatial variability with the C_0/( C_0+ C) values between 0. 25 and 0. 75,while the soil granule contents of 0. 01—0. 05 mm had a weat spatial variability with the C_0/( C_0+ C) values being 0. 76. It is concluded that the nicotine content of tobacco leaves has certain spatial variability,which is closely related to the soil granule composition in tobacco planting fields in central Henan province. In order to achieve excellent tobacco leaves with appropriate concentration of nicotine,it is suggested that spatial variation in soil texture should be considered in reasonable layout of tobacco.
In this paper,spatial variability characteristics of nicotine content of flue-cured tobacco leaves and soil granule composition in tobacco planting fields in central Henan province were studied using geostatistics,the correlation between them was analyzed,and the spatial distribution maps of these variables were depicted in order to provide the basis for reasonable layout of tobacco in Henan province. Correlation analysis revealed that there was significantly negative correlation between nicotine content of tobacco leaves and soil granule contents of 0. 05—0. 10 mm and < 0. 001 mm,while there was significantly positive correlation between nicotine content of tobacco leaves and soil granule content of 0. 001—0. 010 mm. The results of semi-variance model analysis showed that the nicotine content of flue-cured tobaccoleaves was well described with exponential model,which had a medium spatial variability with the C_0/( C_0+C) value being 0. 31. Among different soil textures,the soil granule contents of 0. 001—0. 010 mm and< 0. 001 mm had a strong spatial variability with the C_0/( C_0+ C) values being 0. 23 and 0. 24 respectively,the soil granule contents of > 0. 10 mm and 0. 05—0. 10 mm had a medium spatial variability with the C_0/( C_0+ C) values between 0. 25 and 0. 75,while the soil granule contents of 0. 01—0. 05 mm had a weat spatial variability with the C_0/( C_0+ C) values being 0. 76. It is concluded that the nicotine content of tobacco leaves has certain spatial variability,which is closely related to the soil granule composition in tobacco planting fields in central Henan province. In order to achieve excellent tobacco leaves with appropriate concentration of nicotine,it is suggested that spatial variation in soil texture should be considered in reasonable layout of tobacco.
引文
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[22]王林,许自成,卢秀萍,等.烤烟烟碱含量与土壤有机质、氮素含量的关系分析[J].中国土壤与肥料2007(6):58-60,87.
[2] TAN C,WANG J Y,WU T,et al. Determination of nicotine in tobacco samples by near-infrared spectroscopy and boosting partial least squares[J]. Vibrational Spectroscopy,2010,54(1):35-41.
[3]江厚龙,王新中,刘国顺,等.烟田土壤质地的空间变异性研究[J].中国生态农业学报,2010,18(4):724-729.
[4]陈杰,何崇文,李建伟,等.土壤质地对贵州烤烟品质的影响[J].中国烟草科学,2011,32(1):35-38.
[5]刘超,翟欣,许自成,等.贵州乌蒙烟区清甜香烤烟风格形成的农业地质背景特征[J].生态学杂志,2014,33(1):105-111.
[6]高琳,龙怀玉,刘鸣达.不同香型烟区农业地质背景特征比较研究[J].中国烟草科学,2012,33(5):30-35.
[7]陈海生,刘国顺.豫中烤烟种植区烟叶石油醚提取物含量与土壤养分的空间变异性分析[J].核农学报,2013,27(1):108-117.
[8] JIANG H L,LIU G S,WANG X Z. et al. Spatial variability of soil properties in a long-term tobacco plantation in central China[J]. Soil Science,2010,175(3):137-144.
[9]腊贵晓,顾怀胜,刘国顺.喀斯特地区烟田土壤养分的空间变异特征[J].水土保持研究,2016,19(3):53-68.
[10]张春华,王佩,王可,等.小尺度下烟田土壤养分空间变异性研究[J].中国烟草科学,2014,35(5):74-78.
[11]王蒙,王喜枝,刘世亮,等.铵态氮/硝态氮配比对豫中烟区烤烟生长及品质调控研究[J].河南农业科学,2016,45(4):37-42.
[12]王瑞新.烟草化学[M].北京:中国农业出版社,2003.
[13]刘大双,陈海生,杨庆民.豫中植烟田土壤颗粒组成的空间变异性分析[J].江西农业学报,2012,24(4):87-90.
[14]范夫静,宋同清,黄国勤,等.西南峡谷型喀斯特坡地土壤养分的空间变异特征[J].应用生态学报,2014,25(1):92-98.
[15]刘广明,吕真真,杨劲松,等.典型绿洲区土壤盐分的空间变异特征[J].农业工程学报,2012,28(16):100-107.
[16]甘磊,郑思文,黄太庆,等.桂林喀斯特地区干湿循环过程中土壤水含量的空间变异[J].南方农业学报,2017,48(9):1587-1593.
[17] LIU X M,ZHANG W W,ZHANG M H,et al. Spatiotemporal variations of soil nutrients influenced by an red land tenure system in China[J]. Geoderma,2009,152:23-34.
[18]卢向阳,张金萍,魏帆,等.黄河下游县域耕层土壤养分的空间变异分析:以山东省东阿县为例[J].河南农业科学,2016,45(8):69-73.
[19]胡国松,郑伟,王震东,等.烤烟营养原理[M].北京:科学出版社,2000.
[20]石淑芹,曹祺文,李正国,等.区域尺度土壤养分的协同克里格与普通克里格估值研究[J].干旱区资源与环境,2014,28(5):109-114.
[21] MARCHETTI A,PICCINI C,FRANCAVIGLIAL R,et al. Spatial distribution of soil organic matter using geostatistics:A key indicator to assess soil degradation status in central Italy[J]. Pedosphere,2012,22(2):230-242.
[22]王林,许自成,卢秀萍,等.烤烟烟碱含量与土壤有机质、氮素含量的关系分析[J].中国土壤与肥料2007(6):58-60,87.