韩国茶区的纬度比中国茶区的平均纬度高，昼夜温差较大，有利于代谢产物的积累，可能是导致韩国绿茶样品氨基酸和水浸出物含量较高的原因。
The high concentration of amino acids in Korean green tea might be related to its higher latitude where the tea was grown .
中国典型茶区养分投入与施肥效应
Nutrient input and evaluation of fertilization efficiency in typical tea areas of China
中国茶区