不同添加水平的生物炭对茶园土壤理化性质的影响

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中图分类号：S152.4

文献标识码：A

文章编号：1009-3583（2025）-0068-04

The Effect of Different Addition Levels of Biochar on the Physical and Chemical Properties of Tea Garden Soil

LI Wen-zhaola， YAN Xiong1b*，HE Jiel"，LIUDanla，FENGBola， WANG Yun-chaola，YU Zhan （1.a.SchoolofBiologandAgriculture，b.choolofResourcsandEnvironment，ZunyiNoalUniversity，Zunyi636，Cina; 2.School of Plant Protection，Hunan Agricultural University， Changsha 41O128，China）

Abstract：Inordertoudersandthecuentsituationofsoilfertlityintaplatationsin YongxigTown，MeitaCountyZiCity andtoanalyzeandomparethephysicochemicalpropertiesofteaplantationswithdiferentlevelsofbiohar，afieldsureywscaied out at the tea plantation base in Yongxing Town，Meitan County，Zunyi City，and diferent levels of biochar （0kg⋅hm-2 6kg⋅hm-2 12kg hm-2） wereadded.Thesoilfertilityindexofthetaplantationwas gradedandthebestlevelofbiocharforsoilimprovementwasobtained. Theresultssodthat：ohrigniicantlypovdsolpgaicmatetotalNtotaldavablePandiasdith theincreaseoftheamountofbiochar.（2）Soilcapacityandalkaienitrogencontntdecreasedsignificantlywiththeaditionofbiohar （3） After the addition of biochar（ 12kg⋅hm-2 ）to this tea plantation，the overall soil fertility level was high，resulting in a significant increase in soil fertility levels.

Keywords： biochar; tea garden; soil physical andchemical properties

茶是人们日常生活中的常见饮品，也是人们修身养性的精神食粮1。（剩余4787字）