河北省蔚县小枣碾村土地质量地球化学评价

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中图分类号：P632 文献标识码：A 文章编号：2097-5465（2025）06-0100-10

Abstract：InordertodeterminethelandqualitygradeofXiaozaonianvillageinYuxiancountyandputforwardsuggestionsforthe rationaluseof land thesoil andwater samplesof thisareawere collected bysystem，andthenutrient indexes （N，P，K2O）， environmental indexes （Cd，Hg，As，Pb，Cr，Zn，Ni，TSS，pH） ）ofthe soil samplesand the evaluation indexes of the irrigation water samples （ΔB，P，F，I，Cr∘+，As，Hg，Se，Cu，Zn，Cd，Pb，pH） were analyzed on this basis，and then the land quality assessment was conducted.Theresultsshowthatthecomprehensivegradeofsoilnutritionqualityismainlylack-medium，andthegradeofsoil environmentalqualityisallonegradeoflean；thegeochemicalgradeofirigationwaterisallonegrade；hegeochemicalgadeof landqualityismainlytwo gradesand three grades，accounting forabout 93. 3% ofthewhole area，whichprovidesa scientificbasis forthesustainableutilizationof land resourcesin the studyarea.

Keywords：land quality；geochemical evaluation；geochemical grade；Xiaozaonian village

小枣碾村位于河北省张家口市蔚县北东，耕种土地是当地村民重要经济来源之一。（剩余9633字）