乙草胺浓度和土壤湿度互作对玉米安全性的影响

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中图分类号S482.4文献标识码A文章编号 0517-6611（2025）12-0099-04

doi：10.3969/j.issn.0517-6611.2025.12.023

开放科学（资源服务）标识码（OSID）：

Effects of Acetochlor Concentration and Soil Moisture on Maize Safety

CHAIJun-fa，ZHANGYi（IstituteofPlantProtectionNingxiaAcademyofAgricultureandForestrySiences，Yinchuan，ingxia 750002）

AbstractBasedoteinibitionfctofacetochlorconcentrationandsoilmoistureonmazebudgrowth，theinteractionbetweenemas studied，andtfuceieetyasauated，sstrovdeitifcdaeforprouctiUsingadaticogalot tioncombnationdesign，amathematicalodelwsstablishdtodeterineteibitoryetofetochlorconcenrtionandilosure onmaizebudgrowthwitthiontefagrowthastectiefunctio.Tebioryectofacetorconcentratiooa growthwasmorsignfcantthanthatofsoilmoisture.Whenthesoilmoisturewasconstant，teiibitoryeectofacetochloroncobud lengthwaseanedwithteincreaseofoncentratioandthedruamageascausedtferentdegs.Whenteoncentratifet chlor remained unchanged， the corn could grow normally in the range of 20%-50% soil moisture，and the corn bud growth was inhibited with the increase of soil moisture in the range of 70%-90% . Through technical simulation optimization，the inhibition rate of corn bud growth should be controlled below 50% ，the concentration of acetochlor and soil moisture should be less than 1.16μg/cm2 and 39.39% ，respectively. Byadjusting soil moisture，theconcentrationof acetochlorcan bereduced，andthesafeproductionofcorncanbeachieved.

Key wordsHerbicide;Soil moisture;Maize;Acetochlor;Security

除草剂效果往往受诸多因素制约，包括土壤水分、有机质含量、土壤 ΔpH 、土壤质地、土壤微生物与气象等主要因素[1-2]。（剩余6893字）