ECOGEOGRAPHICAL AND LOCAL TEA VARIETIES DISTRJBUTION OF TEA PLANTATION IN SHANXI PROVINCE
陕南茶树栽培区域生态与地方品种分布

The Qinling-Daba Mountains of Shanxi is located in the north margin of subtropical zone,where there are complex ecological conditions which,differ greatly with places,and so to somewhat limit the distribution of the cultivated tea plants.Taking the grain-planting area in Hanjang River as a center,to the south, the low mountains and hills zone along the north slope of Daba Mountains is a relative suitable region for tea plantation :and to the north, that along the south slope of Qinling Mountains is a subsuitable region.The local ancient tea populations are divided into seven groups constituted with 28 varieties spotting in the regions.Five of them locate in the north slope of Daba Mountains, while the others locate in the south slope of Qinling Mountains.Due to the differences of ecohabitats,the populations appear in different constitutions and quality characteristics, and consist of masses of good eccgeographical types and individuals,which are the material bases of varietilization of tea production in Shanxi province.