1. The origin of "Zunyi Green" green tea should be selected in a tea production area with good ecological conditions, far away from urban areas, industrial and mining areas, main traffic lines, industrial pollution sources, etc., and with sustainable production capabilities. 2. Site conditions: Zunyi Green Tea Garden Site conditions: annual rainfall, monthly rainfall, relative humidity, organic matter, effective soil thickness, slope/(degree) 3. Ambient air quality of the production area: "Zunyi Green" Ambient air quality of the tea garden production area : Total suspended particulate matter (standard state), carbon monoxide (standard state), sulfur dioxide (standard state), nitrogen dioxide (standard state), fluoride (standard state), lead (standard state), ozone, particulate matter (particle size ≤ 10 μm ), particulate matter (particle size ≤ 2.5 μm), nitrogen oxides (NO x ), benzo[a]pyrene (BaP) μg/m3 4. Soil environmental quality of the origin: "Zunyi Green" green tea garden soil environmental quality: cadmium, Mercury, arsenic, lead, copper, chromium, zinc, nickel, DDT 5. Irrigation water: "Zunyi Green" tea garden irrigation water water quality requirements: pH value, total cadmium, total mercury, total arsenic, total lead, chromium, fluoride
T/ZYCX 002.2-2018 history
2018T/ZYCX 002.2-2018 Environmental requirements for growing area of Zunyilu green tea