[1]周星,彭毅,吴绍军,等.剑阁县植烟土壤养分的空间变异研究[J].水土保持研究,2015,22(01):85-89.
　ZHOU Xing,PENG Yi,WU Shaojun,et al.Spatial Variability of Soil Nutrients in Tobacco-Planting Area of Jian’ge County[J].Research of Soil and Water Conservation,2015,22(01):85-89.
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剑阁县植烟土壤养分的空间变异研究

《水土保持研究》[ISSN:1005-3409/CN:61-1272/P] 卷: 22 期数: 2015年01期 页码: 85-89 栏目: 出版日期: 2015-02-28
Title:
Spatial Variability of Soil Nutrients in Tobacco-Planting Area of Jian’ge County
作者:
周星1, 彭毅2, 吴绍军2, 顾会战2, 刘雷1
1. 四川农业大学 农学院, 成都 611130;
2. 四川广元市烟草公司, 四川 广元 628000
Author(s):
ZHOU Xing1, PENG Yi2, WU Shaojun2, GU Huizhan2, LIU Lei1
1. College of Agronomy, Sichuan Agricultural University, Chengdu 611130, China;
2. Guangyuan Tobacco Corporation of Sichuan Province, Guangyuan 628000, China
关键词:
空间变异; GIS; 地统计学; 烟草; 土壤养分
Keywords:
spatial variability; GIS; geostatistics; tobacco; soil nutrients
分类号:
S153.6;S572
摘要:
运用地统计学和地理信息系统（GIS）相结合的方法研究了四川省剑阁县植烟土壤养分的空间变异特征。研究结果表明：土壤pH为弱变异性，全氮、有机质、碱解氮、速效磷、速效钾为中等强度变异。基于半方差模型理论研究表明：土壤pH、碱解氮和速效磷表现为强烈的空间自相关性，其变异程度主要由结构性因素引起；有机质、全氮、速效钾表现为中等空间相关性，受到结构性因素和随机性因素的共同影响，养分空间自相关距离分别为12～201 m范围内；进而形成养分指标空间分布图，直观地反映出土壤养分分布状况和丰缺情况，为广元市剑阁县植烟土壤的差异化管理奠定了基础。
Abstract:
Combination of Geostatistics with GIS was applied to analyze spatial variability of tobacco-growing soil nutrients in Jian’ge County of Sichuan Province. Results showed that variability of soil pH was low, while that of total N, soil organic matter, alkaline N, available P and available K was medium. Soil pH, alkaline N and available P showed strong spatial autocorrelation mainly produced by structural factor; soil organic matter, total N and available P showed moderate spatial autocorrelation primarily caused by the co-effects of structural and random factors. The spatial auto-correlation distances of these nutrient indexes range from 12 m to 201 m. Based on these results of semi-variograms analysis, the spatial distribution maps of soil nutrients in tobacco-planting area were made by ordinary Kriging. The results of this study provided useful information on differential management of soil nutrients in tobacco-planting area of Jiange county.

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备注/Memo

收稿日期:2013-12-14;改回日期:2014-05-15。
基金项目:四川省烟草公司广元土壤研究项目“烟地土壤成分对烤烟生长和烟叶品质的影响”（20120829）
作者简介:周星(1989-),男,四川遂宁人,在读硕士,研究方向:烟草栽培及烟叶品质。E-mail:184271760@qq.com
通讯作者:刘雷(1972-),男,四川遂宁人,教授,从事烟草教学科研工作。E-mail:srars@126.com

更新日期/Last Update: 1900-01-01