喷施有机硒生物肥对陇东黄土旱塬春玉米产量及硒累积的影响

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关键词：有机硒生物肥；春玉米；产量；硒含量；黄土旱塬

中图分类号：S513；S147.2 文献标志码：A 文章编号：2097-2172（2025）07-0613-04

doi：10.3969/j.issn.2097-2172.2025.07.004

Effects of Foliar Application of Organic Selenium Bio-fertilizer on the Yield and Selenium Accumulation in Spring Maize on the Dryland Areas of Loess Plateau in Eastern Gansu

XU Chuangye1， ZHANG Jianjun²， DANG Yi²， ZHANG Kaipeng1， ZHAO Haiyan1， WANG Tengfei1， WEI Jiangwen’， ZHOU Gang²，FENG Chunyan³

（1.Pingliang AcademyofAgriculturalSciences，PingliangGansu744Ooo，China;2.InstituteofDrylandAgriculture，Gansu Academy ofAgricultural Sciences，Lanzhou Gansu73oo7O，China; 3.Lanzhou Animal DiseasePreventionand Control Centre，Lanzhou Gansu 73oo50， China）

Abstract：Toinvestigate theefectsoffoliarapplicationoforganicseleniumbio-fertilizeronyieldandselenumaccumulation inspringmaizeontheDrylandofLoessPlateauineasternGansu，andtoprovideareferenceforselenumenrichedmaizeproductionn thisregion，afieldexperiment wasconductedusingthemaizevarietyXianyu1483.Fourapplicationrates oforganicseleniumbio fertlizer（120，2406O，72Okga）wereetastreamentsResutssowdtatflarapplicatioofgancseleumbitlir significantlyectedmaizeiomassyeldhiletegainieldasntsigficantlyifuenedTeghstmaizeyieldwaseeat 240kg/ha，with biomass and grain yieldsincreased by 17.68% and 5.55% ，respectively，compared to the water-sprayed control. Seleniumcontentinbothgrainandstrawincreasedsignificantlywithhigherferilizerapplication，reachngO.28to1.49and5.86to 22.31timescompardtotecontrollevels，espectively.Inconclusion，foliaraplcationofrganicselenmbifertilierpomotes biomassyieldandselenumenrichmentingranandstraofspring maizeonthedrylandofLoessPlateau，withthebestefectbserved at 240kg/ha

Key Words： Organic selenium bio-fertilizer; Spring maize; Yield; Selenium content; Dryland of Loess Plateau硒（Se）是世界卫生组织公认的人体必需微量 元素之一[1]。（剩余5569字）