不同钾素水平对烤烟苗期生长发育及养分吸收的影响

打开文本图片集

关键词烤烟；苗期；钾素；生长发育；养分吸中图分类号S572文献标识码A文章编号 0517-6611（2026）01-0148-05doi：10.3969/j. issn. 0517-6611.2026.01.029开放科学（资源服务）标识码（OSID）：

Effects f Diferent Potassium Concentration on the Growth and Nutrient Uptake of Flue-cured Tobacco at Seedling Stage WANG Zhi-ying，XUJing，SHI Jian-feietal（Chuxiong Companyof Yunnan ProvincialTobaco Corporation，Chuxiong，Yunan ）

AbstractThetsofpotassitreantwitdieretoctratiooutrtuptake，pycalracterstisqalityacte ticsofflue-curedtobaccoplantsduringtheigrowthereinvestigatedunderthesaerogenandpospousfertilierlevelsisdling stage.Theresultsodatpotassiumlveladigintsonutresotondobacclafualiteotassiut tion of 3-6mmol/L could promote the absorptionandutilizationof nitrogen，phosphorus andother nutrientelements in flue-cured tobacco，increasephotosytheticficiencyandchlorohyllontentoflaves，mproveteoverallqualityoftobacolaves，ndaveacertainiacton theantioxidanticalndalitaracteristsoftbacoaseasoabladjusentofasievelaprootethtif other nutrients， improve the quality and yield of tobacco leaves.

KeyWordsFlue-cured tobacco;Seedling stage;Potassium; Growth;Nutrient uptake

钾是植物生长所需的大量元素，也是参与植物许多生理生化反应的重要元素[1]。（剩余6985字）