Study on Acidic Buffering Ability of Farmland Topsoil of Main Soil Types in Henan

The acidic buffering ability of the farmland topsoil of the main soil types in Henan was analyzed. The results showed that the order of the acidic buffering ability from strong to weak was Chao soil. Cinnamon soil, Shajiang black soil. Yellow cinnamon soil and Yellow brown soil. In addition, the content of the organic matter, the basic pH, the content of the clay particles were related to the acidic buffering ability.