生物炭与有机肥对风沙土根际养分含量及玉米生长的影响
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关键词：玉米（ZeamaysL.）；风沙土；生物炭；有机肥；根际土壤；养分含量
中图分类号：S156.99；S513 文献标识码：A
文章编号：0439-8114（2026）01-0048-06
DOI：10.14088/j.cnki.issn0439-8114.2026.01.009 开放科学（资源服务）标识码（OSID）：口
Effects of biochar and organic fertilizer on rhizosphere nutrient content and maize growth in aeoliansandysoil
SUN Bo-yan，WANG Yao-feng （College of Resources and Environment，Xinjiang Agricultural University，Urumqi 83oo52，China）
Abstract：Toinvestigatetheefectsofbiocharandorganicfertilizerapplicationotheimprovementofeoliansandysoil，astudywas conductedusingmaize（ZeamaysL）asthetestcrop，withpearbranch-derivedbiocharandchickenmanureorganicfertilizerasamendments.Nine treatments were established：CK（control，without biochar and organic fertilizer），biochar application （1，4，20t/hm2 ） organic fertilizerapplication （1，4，20t/hm2 ），and combined applications（ 4t/hm2 biochar +4t/hm2 organic fertilizer， 4t/hm2 biochar t/hm²organic ferilizer）.Thecontentsoforganiccarbon，alkali-hydrolyzablenitrogen，andavailablephosphorusinrhizosphersoil，andtearationcharacteristicsofplanthightstemameter，ndrootlngthatdierentgrowthsages（selingot ing，filling，heading，and maturity stages）were analyzed.The results showed that the applicationof biochar（ 20t/hm2 ）and organic fertilizer （ 20t/hm2 ）significantly increased rhizosphere soil organic carbon content atthe seedling and heading stages，with increases of 28.79% and 36.21% ，respectively.The application of biochar and organic fertilizer promoted plant height，stem diameter，root length，andcelldifeintipaturatzoeacossallgothages.ealameerfts，ndber anddiameterofxylemveselsinthematurationzoneweresignificantlynhanced.Theresultsofcorelationanalysissowedhatbio charapplicationratewassignificantlypositivelycorelatedwithrhzospheresoilorganiccarbonandalkali-ydolyzablenitrogencontent （ P<0.05 ）.Theapplicationamountoforganic fertilizer was significantlypositivelycorelated withavailablephosphorus content and corn stem diameter （ P<0.05 ）
KeyWords：corn（Zeamays L.）；aeoliansandysoil;biochar;organic fertilizer;rhizosphere soil;nutrientcontent
风沙土作为典型的沙质土壤，其形成主要受风蚀和风力沉积作用影响，在全球十旱、半干旱地区广泛分布。（剩余9747字）
