江西科学2026，Vol.44Issue(3)：396-405,10.DOI:10.13990/j.issn1001-3679.2026.03.003
基于Meta分析的煤矿区土壤有机碳储量对外源养分输入的响应机制研究
Response Mechanism of Soil Organic Carbon Storage to Exogenous Nutrient Inputs in Coal Mining Areas Based on Meta-Analysis
摘要
Abstract
Coal mining severely damages surface vegetation and causes land degradation.Al-though reclamation measures can help restore the basic soil fertility,it is necessary to apply exogenous nutrients(such as various soil amendments or fertilizers)to comprehensively im-prove soil quality.In this study,Meta-analysis was used to integrate field experimental da-ta to reveal the laws governing the effects of exogenous nutrient input on soil organic carbon(SOC)and related soil physical and chemical properties in coal mining areas.The results showed that mixed fertilizer(mixed application of two or more fertilizers)had the best im-provement effect,followed by organic fertilizer and chemical fertilizer,and the effect of or-ganic fertilizer on increasing soil nutrient content and reducing soil alkalinity was weaker than that of chemical fertilizer.The intercropping pattern had the best effect on improving soil nutrients,and the combination of mixed fertilizer and herbaceous plants could signifi-cantly increase SOC storage;the application of organic fertilizer,chemical fertilizer,and mixed fertilizer in corn fields could all effectively improve soil nutrients.With the long-term application of organic fertilizer,the increase in soil nutrients gradually enhanced,while the nutrient-improving effects of chemical fertilizer and mixed fertilizer showed a weake-ning trend with the extension of application years.In addition,although high-rate fertiliza-tion can increase SOC storage and reduce soil alkalinity,it will reduce nutrient use efficiency and pose risks of nutrient waste and secondary pollution.Ecological restoration in mining ar-eas is a complex systematic project.In practice,comprehensive consideration should be giv-en to fertilizer type,fertilization rate,planting pattern,and ecological safety to achieve the long-term stable restoration of soil fertility and ecological functions in mining areas.关键词
煤矿区/土壤改良/有机碳储量/施肥措施/Meta分析Key words
coal mining area/soil improvement/soil organic carbon storage/fertilization measures/Meta-analysis分类
社会科学引用本文复制引用
杜芊静,任盛明..基于Meta分析的煤矿区土壤有机碳储量对外源养分输入的响应机制研究[J].江西科学,2026,44(3):396-405,10.基金项目
江西省自然科学基金项目(20212BAB203002) （20212BAB203002）
江西省自然资源厅科技创新项目(ZRKJ20242616). （ZRKJ20242616）
