ZHANGJiu-ming,CHI Feng-qin,YANG Si-ping,et al.Spatial Heterogeneity Analysis on Black Soil Total Nutrients in Harbin———A Case of Deshan Village in Fangzheng County[J].HEILONGJIANG AGRICULTURAL SCIENCES,2008,(03):52-55.[doi:10.11942/j.issn1002-2767.2008.03.0052]
哈尔滨市黑土全量养分空间变异分析———以方正县德善村为例
- Title:
- Spatial Heterogeneity Analysis on Black Soil Total Nutrients in Harbin———A Case of Deshan Village in Fangzheng County
- 文章编号:
- 1002-2767(2008)03-0052-04
- Keywords:
- spatial hetero geneity ; Black soil; soil nut rient ; Geo statistics
- 分类号:
- S155 .2+7
- 文献标志码:
- A
- 摘要:
- 利用地统计学和GIS 相结合的方法分析了哈尔滨市方正县德善村土壤养分有机质、全氮、全磷、全钾空间变异状况。采集土壤表层0 ~ 20 cm 土样51 个, 面积约50 hm2 。经常规化验分析和空间分析结果表明:有机质变异系数<0.1 为弱变异, 全氮、全磷、全钾在0 .1 ~ 0 .9 为中等变异;土壤有机质、全氮的理论模型均为球状模型;全磷和全钾理论模型为指数模型;有机质和全氮的C0/(C0 +C)分别为8 .3 %、8 .9 %, 说明这两种养分具有较强的空间相关性;全磷、全钾的C0/(C0 +C)分别为49 .6 %、49 .9 %, 具有中等空间相关性。
- Abstract:
- To provide scientific sugg estio ns on soil nutrient management and balanced fer tilization in Harbin city ,Geo sta tistics me tho d and Geog raphic Info rmatio n Sy stems w ere introduced to study soil spatial he te rog eneity inDeshan village in Fang zheng county .51 so il sam ple s a t the depth 0 ~ 20 cm w ere collected from a 50 hm2 stubblefield, and the soil pro per ties tha t o rg anic ma tte r , to tal N , total P , to tal K wer e analy zed .Af te r treated w ith ro utinechemical mo thod and spatial analysis, the results indicated :soil or ganic matter (OM)show ed w eak v aria tion , andthe coefficient of va riatio n (CV)w as less than 0 .1 ;to tal N , to tal P and to tal K show ed medium variatio n, with CVbe tw een 0 .1 and 0.9;the theore tic semiv ario g ram mo dels of OM and to tal N w ere sphero id ;that mode ls o f to tal Pand to tal K we re exponent ;the ratios be tw een Nugg et and Sill o f OM and total N w ere 8 .3% and 8 .9 %, respectively, which indicated the stro ng spatial co rrelatio n between these tw o nutrie nts ;the r atio s of to tal P and to tal Kwe re 49 .6 % and 49 .9 %, re spectively , so they show medium spa tial co rrelatio n.
参考文献/References:
[ 1] 王政权.地统计学及其在生态学中的应用[ M] .北京:科学出版社, 1999 :102-149 .
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备注/Memo
基金项目:哈尔滨市科技攻关计划资助项目(2006AA6AN032);国家科技支撑计划资助项目(2006BAD05B05);土壤环境与植物营养黑龙江省重点实验室资助项目