酸性土壤施用悬浮石灰对小麦生长的影响

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关键词悬浮石灰；酸性土壤；小麦中图分类号 S156.2 文献标识码A文章编号 0517-6611（2026）07-0138-03doi：10. 3969/j. issn. 0517-6611. 2026. 07. 024开放科学（资源服务）标识码（OSID）：

AbstractObjective]Toexploretheinfluenceofaplyingsuspendedlimetoacidsoilonthegrowthofwheat.[Method]Afieldtrialwas conductedonimprovingacidsoilwithsuspensionlieinRunanCoutyHenanProvince.Thresuspensionliedosages werearangdasT1 （ 3750kg/hm2 ），T Γ2（5625kg/hm2 ），andT3（ 7500kg/hm2 ），respectively，with no suspension lime as control，to investigate the effect of suspensiolimeonimprovingacidsoil.Thegrowthtraitsofwheatduringthegreningandharvestingperiodsweredetermined，andtheyield duringthehrvestingperodaseasued，soilaplesereaalyd.esulteesultssoedatompadwittontrolpl cationfuspesionlsfcantlyceasdtelathightilebr，eafSvue，oveouddergodfrsheight， spikelength，numerof gainsperspike，efectivespikenumber，andthousandgrain weightofwheatduringthesedingandharveststages， with T2 showing the best performance;the yields of T1，T2，and T3 were 8468kg/hm2 ， 8876kg/hm2 ，and 8 511kg/hm2 ，respectively， showing significant increases compared to 7695kg/hm2 of CK，with yield increased by 10.05% ， 15.35% ，and 10.60% ，respectively.T1， T2，andTodlaladioltleadlpde capacity，while reducing exchangeable hydrogen and exchangeable aluminum，increased by 1.20 and 6.33cmol/kg ，decreased by 0.81 and （20 4.03cmol/kg ，respectively;T2 had the most significant efect on increasing the efective phosphorus content，with an increase of 3.75mg/kg comparedtocontrol.Conclusion]Applyinganappropriateamountofsuspensionlimeonacidsoilcouldotiizethechemicalprortof the soil and significantly improve the growth traits and yield of wheat. Dosage of 5625kg/hm2 showed the best effect among the three dosages. Key wordsSuspension lime ;Acid soil; Wheat

土壤酸化是指土壤复合性胶体通过离子交换吸收固定交换性氢离子和铝离子，使得土壤中的盐基离子被大量淋洗，从而使土壤pH降低、交换性酸增加的过程[1]。（剩余7024字）