四川师范大学学报（自然科学版）2026，Vol.49Issue(2)：219-225,7.DOI:10.3969/j.issn.1001-8395.2026.02.007
"塑料际"土壤微环境变化及养分供给潜能特征研究
Research on the Changes of Soil Microenvironment and the Potential Characteristics of Nutrient Supply in the"Plasticsphere"
摘要
Abstract
Soil pollution caused by agricultural plastic film residues has become a critical environmental concern.Plastic film fragments can serve as microbial habitats,attracting microbial colonization and forming a"plastisphere".This study simulated soil conditions with over 30 years for residue accumulation of traditional polyethylene(PE)film in a field experiment to investigate the ef-fects on rapeseed cultivation.The physical and chemical properties,as well as cycling dynamics for nutrients,of three ecological soil niches,rhizosphere,bulk soil and plastisphere were systematically compared across different growth stages of rapeseed.The results in-dicated that,compared to rhizosphere and non-rhizosphere soils,plastisphere soil exhibited significantly lower soil water content(SWC),total nitrogen(TN),ammonium nitrogen(NH4-N),nitrate nitrogen(NO3--N),and available phosphorus(AP).In contrast,soil pH,total carbon(TC),and dissolved organic carbon(DOC)were significantly higher in the plastisphere.Furthermore,the net mineralization rate of nitrogen in plastisphere soils decreased over time,indicating that plastic residues significantly inhibited key pro-cesses of soil nitrogen cycling.This study highlights the potential threats of residue pollution from plastic film to soil health and eco-logical functions by altering the soil microenvironment.These findings provide new insights into the ecological effects of pollution from plastic residues on soil processes and offer scientific guidance for management of agricultural plastic film.关键词
农膜残留/塑料际/净氮矿化速率/土壤健康/大田/油菜/污染Key words
plastic film residue/plastisphere/net mineralization rate of nitrogen/soil health/daejeon/rapeseed/pollution分类
农业科技引用本文复制引用
王戈,孙倩,魏茂露,谢苗苗,申婷,刘冬艳.."塑料际"土壤微环境变化及养分供给潜能特征研究[J].四川师范大学学报（自然科学版）,2026,49(2):219-225,7.基金项目
国家自然科学基金(31800425) 四川师范大学人才培养项目(PT31800425和QDF20210029)、四川师范大学人才培养启动项目(pt31800425和qdf20210029)和四川师范大学校级实验设备科研项目(XJ20220029)对本文给予了资助,谨致谢意. （31800425）
