| 摘要 |
PROBLEM TO BE SOLVED: To provide a polluted soil cleaning agent and polluted soil cleaning method of exceedingly improving the biological activity of the microorganisms dormant in the polluted soil by inexpensive and safe additives. SOLUTION: The cleaning of the polluted soil is realized by mixing rice bran with the polluted soil and promoting the propagation and growth of the microorganisms in the soil and improving the biological activity. The additives prepared by adding microorganism sources, such as brunizem and compost, to the rice bran or the additives formed by adding nutrients like inorganic nutrient salts, such as nitrogen and phosphorus, to the rice bran are capable of further efficiently cleaning the polluted soil as synergistic effects act thereon. |
