全国土壤养分含量分级标准表(共1页).doc

全国土壤养分含量分级标准表级别123456丰缺极高高中上中低极低有机质(g/kg土)40.0030.00-40.0020.00-30.0010.00-20.006.00-10.002.001.50-2.001.00-1.500.75-1.000.50-0.75150.00120.00-150.0090.00-120.0060.00-90.0030.00-60.002.001.50-2.001.00-1.500.75-1.000.50-0.7540.0020.00-40.0010.00-20.005.00-10.003.00-5.0020.0015.00-20.0010.00