In recent ears, the s mptoms of plant micronutrition disturbane have been often found in Taching municipality. To counter this problem , 4 maps of contens of available microelements based on analytical data of 2887 soil samples were given, and it is illustrated that in 70-80% area of Taching soils, the contents of Cu and Mn ate at medium levels, Fe at low levels, and Zn at very low levels. The contents of microclcmcnts and their available/total ratio of various soils (12 genera of 6 groups) in this district...