A survey of the acidic soil found mainly in the central plains. As a result, the plant because the plant can not absorb mineral nutrients to grow. material devices including notebooks, pens were equipped to explore the area to find acid soils studied were looking for a solution and the data were prepared project. the survey found that acid soils Often found in the central plains caused by the deposition of sediments from sea water battery new cell and the accumulation of mineral pyrite in the sediment too much soil acidity correction is marl soils. the soil to reduce soil acidity.