植茶年限对华南地区茶园土壤养分的影响

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关键词植茶年限；茶园；华南地区；土壤养分中图分类号S158文献标识码A文章编号 0517-6611（2025）14-0148-05doi：10.3969/j.issn.0517-6611.2025.14.030

开放科学（资源服务）标识码（OSID）：

Effectsof Tea PlantingYearson Soil Nutrients ofTea Gardensin South China

FANG Yi-ran，YANGPei-xin，LUOJi-engetal（Departmentofioenginering，JieyangPolyechnic，Jieyang，Guangdong50） AbstractObjective]Tostudythechangesofsoilnutrients withteaplantingyearsiSouth China，soastoprovidebasisforaccuatesoil management.[ Method] Tea gardens with planting years of<5 years （A5） 1 5-<10 years （ ）， 10-<20 years （ A20 ）and 20-<30 years （ A30 ） in Wujingfu Town，Jiexi County，Jieyang City were takenasthe research objects.The nutrient indexes such as pH ，organic matter and total nitrogen content in the soil of tea gardens with different planting years were measured.[Result] The pH of tea garden soil decreased with the increaseofteaplantigasdaslowertantaddfgualityelddigeagadensila atthlevelI（sdaUdedetigyas，lcdotalrogotteegraemumstandardfhigualitgelddgficeagadsoil，ichwasatteve（celnt）saddeotaloo andtotalpotassotetinildotchaddofigqaitygeldndgefeadel whole，andmotofreatlvelI（md）andvelI（or）eoetsofilalrolablernllbleo phorus and available potassum increased first and then decreased with the growth of tea planting years，and A20，A30could gradually exceed the minmustanddofgalitygeddctgardsilacngll（cet）cusi teaplantationsofdifrentyarsassufcenthileteontntsofassuandososereenealllw.Teaplantsieaid growth stage need to increase the application of phosphorus and potassium，especially in the 5th to 10th year of planting.In production practice， withthecreasfteaptigyasesareasuressuldbkntpreventsolidficanustedylaen fertilizer and applying soil conditioner such as biochar.

Key wordsTea planting years;Tea gardens;South China;Soil nutrients

茶树［Camelliasinensis（L.）O.Kuntze]在我国已有几千年的人工栽种历史。（剩余8637字）