矿区不同复垦年限土壤养分及有机碳特性研究——以抚顺矿区碳质页岩区复垦土壤为例  

Study on Soil Nutrients and Organic Carbon in the Soil Reclamed for Different Years

作　　者：丁青坡[1] 王秋兵[1] 韩春兰[1] 王洪禄[1] 王晓峰[1] 

机构地区：[1]沈阳农业大学,辽宁沈阳110161

出　　处：《安徽农业科学》2006年第17期4360-4363,共4页Journal of Anhui Agricultural Sciences

基　　金：辽宁省自然科学基金项目(20040520)资助

摘　　要：以抚顺矿区碳质页岩风化物区域的复垦土壤为例，对不同年限不同深度的复垦土壤进行分析，揭示了抚顺矿区复垦土壤养分的时空演变规律。结果表明，随着复垦年限的增加，矿山土壤pH值逐年降低，其变化范围在6，47～7，80；全氮、有效磷、碱解氯等呈现逐年增加的趋势，尤其以0～10cm土层内增长幅度明显；随着深度增加，pH值、全氮、有效磷、氮等逐渐降低。矿山土壤中由于排弃物中含有含碳矿物和少量煤块的原因导致总有机碳含量较高；矿山土壤中有机碳随着复垦年限的增加及自然、人为活动影响，碳黑、颗粒状碳趋向于减少，而易氧化碳的数量增加。Tarough sampling from different years and depth reclaimed areas in Fushun coal mine,we found pH value in the soil of reclaimed reduced year by year and the range of variation of pH was between 6.47-7.80. The entire nitrogen, the effective phosphorus, the alkaline hydrolysis nitrogen and so on present the increasing tendency year by year in the mine soil. The total organic carbon content was high. With the increase of soil depth , the effective phosphorus, the nitrogen and so on reduced gradually. As the human influence on the soils was increased, the concentrations of black carbon soil and particulate organic carbon tended to be decreased and the active carbon tended to be increased.

关 键 词：碳质页岩 矿山土壤 养分特征 复垦年限 有机碳特性 抚顺市 

分 类 号：S153.6[农业科学—土壤学]