一次性施用缓控释氮钾肥对烟草生长的影响
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关键词：烟草；缓控释氮钾肥；壤土；砂性土中图分类号：S572 文献标识码：A文章编号：0439-8114（2025）11-0102-08DOI：10.14088/j.cnki.issn0439-8114.2025.11.013
Effects of one-time application of slow-controlled-release nitrogen and potassium fertilizer on the growth of tobacco
ZHAO A-juan 1 ，OU Xi-xian， ZHAI Zheng-guang1，ZHOU Shi- ⋅min⋅1 ，BO Chun-bin1，LONG Da-bin³，LI Bo4 ，RUANBin-zhou5，DUANMei-zhen1
（1.CangshacoavicO；iibatotUli FertilizerResoucs/Cgefsoues，uagilturalUivesityangsh，na；3.uyngBach，angs CompanyofHunanProvince，Liuyang3o，Hunan，China;4.YunnanTbaccoCompanyWenshanPrefectureCompany，Wensan660， Yunnan，China;5.Shaoyang Branch of Hunan Tobacco Company，Shaoyang 422Ooo，Hunan，China）
Abstract：Inrdertosudytheetsofoteferilizatinofslowontrolldreleasenitrogeandpotassimfertiliontobacco growth，three reatmentswithqualutrientinputsweresetupinloamsoilandsandysoil，espectively，whichwereCF（conetional fertilizer），T（slowcontrolld-releasentrognandpotassimfertiler），ndT（slowcontred-releasenitrogenandpoasu fertilizer + sedling-raising fertilizer）.Theresultsshowedthat，therewasnoobvious diference intheagronomictraitsof tobacco in T1andT2comparedwith CF.Thephotosynthesisoftobaccohdpresentedsimilarresults.Atthematuringstage，therewasnosignificantdierenceinthebiomassoftobaccoamong，andCFinloamsoil.Howeverinsandysoils，aplicationofowandcon troledreleaseitrogenandpotassiumfertlizersreducedthebomassoflowerleavesoftobacco.Toughtefrequencyofertilation reduced，TlandThadshowedthesameormorepositiveimpactontherotgrowthoftobacocomparedwithCF，whichesuredthe absorptionofnitrogen，phosphorusandpotassiumbyobacco，andultimatelynsuredtegrowthof tbao.Overall，theaplcation ofslowandcontrolledeleasenitrogenandpotassumfertilizersadesuredtobacogrowthhileeducingtefrequencyoffertiiztioninloamsoil，utinsandysoil，themountofapplicationofslowandcontrolldeleasenitrogenndpotassiumfertilirssould beincreasedomparedtoCF.Changingultiplefertlizationtoone-tefertilizatioyusingsloreleasenitrogenandpotasfer tilizercouldsavetelborandtimecostfortobacofarmers，hileensuringthenoralgrowthoftobacco.Itsugesedasiplifiedultivation method for tobacco.
Key Words：tobacco；slow-controlled-release nitrogen and potassium fertilizer;loam soil；sandy soil
中国是世界上最大的烟草生产与消费国，烟草种植面积和产量均居世界首位。（剩余8818字）
