Classification of Tobacco Planting Soil in Longyan

4 major indicators of soil nutrients in 100 samples collected from tobacco planting soil in Longyan were analyzed using cluster analysis method with the computer system. A classification system of tobacco planting soil was established. The results indicated that the tobacco planting soil in Longyan could be divided into 4 groups:1)a middle fertilization soil; 2)a high phosphorus soil; 3)a high nitrogen and potassium soil; and 4)a high nitrogen middle fertilization soil.