Taking the nine indices, i.e., soil pH, organic matter, total N, P and K, available N, P and K, slowly available K, as assessment parameters, by use of fuzzy comprehensive assessment, soil fertility quality was evaluated comprehensively for 5 tea bases of Dongting Lake region in Hunan province through field sampling and laboratory analysis. The results showed that contents of soil pH, total N and P contents were all low, contents of organic matter, and available N, P and K were middle, contents of total K and slowly available K were high, the soil fertility quality of the tea gardens Xuefengsh...
