浙江长兴顾渚山优质紫笋茶与地质背景相关性分析

长兴水口顾渚山风景区的紫笋茶，是闻名国内外的优质名茶。本文在实地调查的基础上，分析了紫笋茶优异的品质与地质环境背景条件的相关性。特定的地质背景条件，首先造就了一个避风向阳、雨量充沛的小气候环境；特定的泥盆系与花岗岩类浸入岩的地层背景所形成的土壤，为茶树生长提供了大量的营养物质，特别是有益的微量元素对提高茶叶品质起到了重要作用；同时这一特定的背景条件下，形成了对茶树生长有利的酸性土壤。特定的水文地质背景条件．又提供了充足的水份，还补充了茶树生长所必需的营养物质。通过对环境背景条件的分析，最终提出了长兴县茶叶发展的方向。

The Analysis of Corelasion of the Zisun tea to the geological background in Guzhushan,Changxin, Zhejiang province

The Zisun tea in Guzhushan, Xuikou, Changxin, which is famous for the excellent character in the world Based on the field works, the paper analyzed the corelation of the Zisun tea to the geological background, the first there is a lee that the sunlight and precipitation are abundant because of the especial geological background.The second the tea receives a good deal of nutrition from the soil that is disiutegrated from the Deronian, graniteand, and invaioned rocks, espacially many of salubrious atom elements improve the character of the tes, and the sour soil is produced which benifits the growth of the tea.The particular conidition of the hydrogelolgy Geology afford abundant water and nutrition which are necessary to the growth of the tea. Accoding to the analysis of the condition of the geological background, the paper gives the direction of the Zisun tea's development in changxin.