Langxi County is a big tea producer in Anhui Province.In order to evaluate the status of nutrients and environmental qualities of soils in tea plantations in the county,73 soil samples were collected from the plantations to analyze their pH,organic matter,macronutrient elements,trace beneficial elements and heavy metal elements.A fuzzy mathematical membership function model was used to calculate the comprehensive index of soil nutrients,and then to evaluate the nutrients status of the soils.Single-factor index and Nemerow comprehensive index were used to evaluate the degree of heavy metal contamination,and then the environmental quality of the soils.The results showed that the soils are generally rich and moderate in nutrients,suitable for tea growth,and the soil environments are clean,guaranteeing the tea quality.
国家科技期刊平台
NSTL
维普
万方数据
