| 豫中植烟田土壤颗粒组成的空间变异性分析 |
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| 引用本文： | 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. |
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| 作者姓名： | 刘大双 陈海生 杨庆民 |
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| 作者单位： | 1. 河北中烟工业有限责任公司,河北 石家庄,050051
2. 浙江同济科技职业学院,浙江 杭州,311231 |
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| 基金项目： | 国家烟草专卖局重点资助项目 |
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| 摘 要： | 对豫中烤烟种植区土壤颗粒空间变异性特征的分析表明:>0.1 mm和0.01～0.05 mm粒级的都符合高斯模型,空间自相关距离分别为155700和763500 m;0.05～0.1 mm粒级的符合指数模型,空间自相关距离为370500 m;0.001～0.01mm粒级的符合球形模型,空间自相关距离为10600 m。豫中植烟区土壤表层0.01～0.05 mm和0.001～0.01 mm粒级的颗粒含量的空间变异主要受成土母质等结构性因素的影响,而土壤表层<0.001 mm粒级颗粒含量的空间变异主要受随机因素的影响。土壤颗粒0.001～0.01 mm粒级的主要分布在研究区的北部和西南部一带,0.05～0.1 mm粒级的土壤颗粒主要分布在研究区的东部,>0.1 mm粒级的土壤颗粒主要分布在研究区的西部一带。
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| 关 键 词： | 河南 地统计学 空间变异性 土壤颗粒 |
Spatial Variability of Soil Granule Composition in Tobacco Fields in Middle Henan Province |
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| LIU Da-shuang
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CHEN Hai-sheng
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YANG Qing-min.Spatial Variability of Soil Granule Composition in Tobacco Fields in Middle Henan Province[J].Acta Agriculturae Jiangxi,2012,24(4):87-90. |
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| Authors: | LIU Da-shuang CHEN Hai-sheng YANG Qing-min |
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| Institution: | 1(1.China Tobacco Hebei Industrial Limited Liability Corporation,Shijiazhuang 050051,China; 2.Zhejiang Tongji Science and Technology Vocational College,Hangzhou 311231,China) |
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| Abstract: | The spatial variability of soil granule composition in tobacco-planting fields in middle Henan province was studied.The results showed that the soil granules(>0.1 mm and 0.01～0.05 mm in diameter) were well described with Gaussian model,with the spatial autocorrelation range of 155700 m and 763500 m respectively;the soil granules(0.05～0.1 mm) were well described with Exponential model,with the spatial autocorrelation range of 370500 m;the soil granules(0.001～0.01 mm) were well described with Spherical model,with the spatial autocorrelation range of 10600 m.The spatial variability of the content of surface soil granules(0.01～0.05 mm and 0.001～0.01 mm) in tobacco fields was mainly affected by structural factors such as soil parent material,while that of surface soil granules(<0.001 mm) was mainly affected by stochastic factors.The soil granules(0.001～0.01 mm) was mainly distributed in the northern and southwest parts of the researched region,while the soil granules(0.05～0.1 mm) was mainly distributed in the eastern part,and the soil granules(>0.1 mm) was mainly in the western part. |
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| Keywords: | Henan Geostatistics Spatial variability Soil granules |
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