生物炭对土壤磷素影响的研究现状与热点分析

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中图分类号：X53 文献标志码：A 文章编号：2096-9902（2025）18-0028-05

Abstract：SoilPhosphorusisthecorenutrientelementforcropgrowthand development.Biocharcanregulatethe availabilityofSoilPhosphorusthroughmultiplemechanismssuchaschemicaladsorptionandmicrobialactivationbutits mechanismofactionandlong-termefectsstllneedtobesystematicallyanalyzed.Thisstudywasbasedon241documentsin theCNKIdatabasefrom2O11to2O24forquantiativeanalysis，andusedCiteSpace toanalyzetheresearchdynamicsof biochar regultingSoilPhosphorus.Theresultsshowedthat：Theanualnumberofpaperspublishedshowsathree-stagegrowth，with NorthwestA&FUniversityShenyangAgriculturalUniversityandotherinstitutionsasthecoreresearchforces，thedensityof author cooperation networks（O.Oo8 4），the core author group hasnot yet been formed（ 14.9% of the top 10 authors have publishedarticles）.Theresearchhotspothasshiftedfromtheinitialimprovementofavailablephosphorus（2011-2O15）tothe mechanismofphosphorusformtransformation（2016-2O20），andhasrecentlyfocusedonmicrobiallymediatedphosphorus activation（2O21-2O24）.ThisstudyrevealstheevolutionlawsofbiocharregulatingSoilPhosphorusandprovidesreferencefor efficient utilization of phosphorus.

Keywords： Bibliometrics; soil; biochar; phosphorus;knowledge map

土壤磷素作为作物生长发育的核心限制因子，其有效性与作物产量及生态系统功能密切相关[-2。（剩余5944字）