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Position: Home > Articles > Spatial Variation of Alkali-hydrolysable Nitrogen of Paddy Soil in Taicang Journal of Anhui Agricultural Sciences 2013,41 (19) 8156-8157

太仓市耕层土壤碱解氮空间变异分析

作  者:
张绪美;郭宗祥;左其东;李梅
单  位:
太仓市土壤肥料站
关键词:
太仓市;碱解氮;空间变异
摘  要:
[目的]为明确太仓市耕层土壤氮素含量及分布状况。[方法]采用地统计学分析方法,分析了土壤碱解氮现状及空间变化。[结果]2006年土壤碱解氮平均值为131.57±3.01 mg/kg,比20世纪80年代的碱解氮水平增加约31%;从变异程度来看,属中等变异强度;从空间分布来看,全市土壤碱解氮属于弱空间相关性,人为因子(施肥、耕作措施、种植制度等)的影响占主导地位。[结论]该研究对于帮助农户合理施肥、提高土壤质量、保护生态环境非常有效。
译  名:
Spatial Variation of Alkali-hydrolysable Nitrogen of Paddy Soil in Taicang
作  者:
ZHANG Xu-mei;Taicang Soil and Fertilizer Station;
关键词:
Taicang;;Alkali-hydrolysable nitrogen;;Spatial variation
摘  要:
[Objective] The research aimed to define the alkaline hydrolyze N(A-N) content in arable layer soil and the distribution of Taicang.[Method]Using statistical analysis method,the current situation and space change of A-N in soil were analyzed.[Result]Geostatis Ties analysis showed that in the past years A-N increased.The average value of A-N in 2006 was 131.57 ± 3.01 mg / kg.Compared with the year of 2006,the growth rate was obvious with 31% growth.A-N was unconspicuous spatial heterogeneity,mainly affected by random factors,such as fertilization,cultivation,land utilization type,and so on.[Conclusion]This analysis is very useful to help farmers use fertilizer properly,improve soil quality and protect ecological environment.

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