基于土壤养分相关性的涪陵烟-菜轮作区预测模型研究

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关键词烟-菜轮作区；土壤养分；相关性；预测模型；涪陵

中图分类号S158文献标识码A

文章编号 0517-6611（2025）20-0138-05

doi：10.3969/j.issn.0517-6611.2025.20.030

AbstractOeieTeploresilutritatusinhotatioaaoftbacdvegeablesinFulidarifyeoo twenferilityctos.MetodSolspleswereclctedfrotetobaccplantingaeas（JosandLuoun）iFlingandeainu trientindicatorsedeidbsdoiustysadardstingetssitiesatistsdtoalyaiofchfer tilityidexdeioehdessduetofaoofsal cientsoftfaaealbrgblblgbloolbe andavailableoppeodeatepideofgeoflableonstgstdicatigstoatioIditoee signficntoaosaldroeselyatlyiielyoaie and available zinc （ P<0.01 ），and the correlation coeffcients were O.851 and O.710，respectively.The pH value was extremely significantly negatively correlated with available manganese （ P<0.01 ），and the correlation coefficient was -0.739. Based on linear regression analysis，predictionmodelswersablisdetwnsoiloganicatendaa-drolybletrogen，Huebetwenavlblemanganeadpval ue；between available iron and pH value；between available zinc and alkali-hydrolyzable nitrogen；between available zinc and available manganese.ThepredictedvaluescalculatedbythemodelshadgoodagrementwiththeactualmeasuredVuesConclusion]Intherotatioaraof fue-curedtobacodckldustadiFulingalkalidrolablerogedpHanbsedtodictteotetoflce with a relative deviation of less than 5% ，which is relatively accurate.In addition，the prediction models between available manganese and pH value；between available iron and pH value have a relative deviation of 3.84%-16.56% ，which can be used as a reference.

Key WordsTobacco-vegetable rotation area；Soil nutrients；Correlation；Prediction model; Fuling

重庆市涪陵区是中国知名的榨菜之乡，也是重庆市产烟区。（剩余7433字）