贵州鸟王茶产地土壤性状特征

为贵州鸟王茶茶园的改造,科学规划建设新茶园,改良土壤条件,进一步提高茶叶品质和质量安全提供科学依据,通过贵州鸟王茶产地土壤采集、室内分析,对贵州鸟王茶产地土壤性状进行了测定。结果表明:鸟王茶土壤pH值在4.12～5.38,适合茶叶生长;土壤有机质、碱解氮和有效磷含量丰富,其平均含量分别为52.09g/kg、231.42mg/kg和13.05mg/kg,均高于贵州人工茶园;速效钾含量欠佳,平均含量为80.18mg/kg,需适当提高钾肥施用量。土壤中Fe、Mn、Cu、Zn、Mo的平均含量分别为131.52mg/kg、15.49mg/kg、1.07mg/kg、3.78mg/kg和0.05mg/kg,其中,Fe、Zn含量丰富,而其他元素含量均略低于中国土壤的平均含量。

Characteristics of Soil Properties in Niaowang Tea Production Areas in Guizhou

In orde to provide a scientific basis for tea plantation reconstruction,scientifically planning and building new tea plantations,improving soil conditions and tea qualities,soil samples from tea plantations were collected and the main soil nutrients and trace elements were analyzed in the lab.The results showed that the soil pH values ranged from 4.12 to 5.38,which was good for tea growing.The soil organic matter,available nitrogen and available phosphorus were of abundant content,their average contents were 52.09 g/kg,231.42 mg/kg and 13.05 mg/kg respectively,which were all higher than the average content in tea plantation soil in Guizhou.But the active potassium content was relatively low,and potassium fertilizer should be applied properly.The average contents of main trace elements(Fe,Mn,Cu,Zn and Mo) were 131.52 mg/kg,15.49 mg/kg,1.07 mg/kg,3.78 mg/kg and 0.05 mg/kg,respectively.The Fe and Zn content levels were high,but other trace elements content levels were relatively low.