三菌聯(lián)合型功能微生物菌劑對土壤和稻米砷的阻控研究

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中圖分類號S511文獻(xiàn)標(biāo)識碼A文章編號 0517-6611（2025）11-0047-04

doi：10.3969/j. issn.0517-6611.2025.11. 012

Study on the Inhibition and Controlof Arsenic in Soil and Rice byThree-bacterial Combined Functional Microbial Agents YUAN Hai-weiLIYuan-xing-lu，TANG Shou-yinetal（HunanHuanbaoqiaoEcologyand EnvironmentEngineringCo.，Ld.Changsha，Hunan 410205）

AbstractOetie]exploetetasfoationofsenicfosinsilythbacterombindfunctioalmrobalagtdis impactmechanismonteabsorptionandtranslocationofarsenicinice.MethodTisstudyselectedthericeVarietyTaiou39Oasthere searchobjectandonuctedpotexperimentsheexperientstablisedfourdferentreatmentgroups：acotrolgrouwithostion （CK）and three inoculant treatment groups with varying application rates -M1 （ 3000kg/hm2 ）， M2 （2 ÷250kg/hm2 ）and M3 （20 （ 1500kg/hm2 ）.Theeffetsof diferent treatment methodsontheformsofarsenicinsoilandthechanges inarseniccontentinbrowrice werestudied.ResultTheedoxpotential（E）itialldecreasedaidlyndtengraduallireas.Meanhile，hesoilpbied significantuwadtrndurigtesdintogesofteco，flodygdaldlieadevealsablizatral ityThiseomeonasompanedyuctioieproortiosofspifcalldsodsenicndsecificalldsod nic，longsidseioosidoudicaloiddcdalectetihl Specifically， in the M1 treatment group，the content of non-specificand specific adsorbed arsenic decreased significantly by6.24 percentage pointsandl6.65petaetspectielyiltesofmoosidoudicaloodb nicandresidualasenicreasdby.58prentageoints，.5prcentageoitsd86percetagepintsspectivelyoard thecontrolgroup，alltreatmengoupseibitedsignifcantreductioninteaymetalaseicontentiegrains，withecasan ging from 32. 14% to 60.71% . Among them，the M1 treatment group showed the most effctive inhibition of arsenic accumulation in rice grains，with an arsenic content of only 0.11mg/kg .[Conclusion]This study provides a theoretical basis for the development of new arsenic-reducing functional microbial agents.

Key WordsThree-bacterium combined functional microbial agent;Soil;Arsenic forms;Brownrice;As content

稻田在長期灌溉條件下，可使土壤形成穩(wěn)定的厭氧環(huán)境，導(dǎo)致水稻對砷元素的富集能力遠(yuǎn)超其他陸生植物[1]。（剩余8535字）