关键词: 苎麻, 土壤Cd污染, 生物毒性

Abstract: This paper is an attemps to show how the climate, soil and other local ecological factors effect the growth of tea plants and the quality of tea in Hanzhong tea-planting area. Based on the above mentioned factors, which steps ought to be taken to improve the ecological balance for the amelioration of tea gardens in this area are suggested by the authors.

Key words: Ramie, Soil Cd pollution, Phytotoxicity