Evaluation on environmental quality in the soil of tea garden in Fuan by GIS technique

The environmental quality in the soil of tea garden in Fuan was investigated and evaluated by GPS and GIS.The results showed that the proportion of excellent, fine, unqualified tea garden were 67.9%, 31.4%, 0.7%.Soil pollution in tea garden mainly came from the contamination of Pb and Cu, and the proportion were 4.0%and 1.3%respectivdy.The Cd and Cr content in soil were lower than the pollution limit to green food producing area, and the content of Hg and As were within the criteria of non-polluted tea garden.Therefore, the environmental quality in the soil of tea garden in Fuan is fine in general.