| 山东省文登市耕层土壤有机质的空间分异特征研究 |
| |
| 引用本文： | 林秀渠,刘晓龙,李玉环. 山东省文登市耕层土壤有机质的空间分异特征研究[J]. 山东农业大学学报(自然科学版), 2012, 43(3): 457-461 |
| |
| 作者姓名： | 林秀渠 刘晓龙 李玉环 |
| |
| 作者单位： | 1. 文登市农业局,文登,264400
2. 山东农业大学资环学院,山东泰安,271018 |
| |
| 基金项目： | 山东省自然基金(Y2008H03);山东省科技公关计划(2009GG10006006) |
| |
| 摘 要： | 本文在Arcgis地理信息系统平台上,利用地统计学分析模块中的克立格法,基于野外采集的土壤样本GPS 数据和土壤有机质含量的测定值,针对文登市农田生态系统耕层土壤有机质进行了空间分异性特征分析,并对比评价了各种克立格插值模型.结果表明:文登市耕层土壤有机质的空间变异性较为显著;有机质含量的空间变异结构最佳拟合模型是Tetraspherical模型;C0/sill值为0.86,耕层土壤有机质空间相关性很弱,主要是人类活动影响的结果;耕层有机质含量处在较低水平,应改善耕作管理方式.
|
| 关 键 词： | 土壤有机质 地统计学 克立格插值 插值模型 空间特征 |
STUDY ON SPATIAL VARIATION CHARACTERISTIC OF TILLED TOPSOIL ORGANIC MATTER OF WENDENG CITY SHANDONG |
| |
| LIN XIU-QV , LUI Xiao-long , LI Yu-huang. STUDY ON SPATIAL VARIATION CHARACTERISTIC OF TILLED TOPSOIL ORGANIC MATTER OF WENDENG CITY SHANDONG[J]. Journal of Shandong Agricultural University, 2012, 43(3): 457-461 |
| |
| Authors: | LIN XIU-QV LUI Xiao-long LI Yu-huang |
| |
| Affiliation: | 1.Wendeng Agricultural Bureau Wendeng 264400,China;2.Shandong Agricultural University,College of Resonrces Environment,Taian 271018,China) |
| |
| Abstract: | Basing on field sampling and analysis on soil samples,this paper determines soil organic matter alue of.With Arcgis platform,it analyzed Wendeng spatial characteristics of topsoil soil organic matter using kriging of statistical analysis module,and choosed the optimal contrast kriging interpolation model.The results showed that topsoil organic matter had large spatial variability in Wendeng and the best theoretical model is Tetraspherical model fitting organic matter content.It also made sure that the C0/sill lvas 0.86.The spatial correlation was very weak of topsoil organic matter which was mainly caused by the human activities.The farming management should be improved because of the low organic matter content in the topsoil. |
| |
| Keywords: | Soil organic matter geostatistics kriging interpolation interpolation model spatial characteristics |
| 本文献已被 CNKI 万方数据 等数据库收录！ |
|
