Removal manner and the removal device of the contaminant which is included in the farmland soil

摘要

PROBLEM TO BE SOLVED: To effectively carry out elimination of contaminated substances such as radioactive substances or heavy metals contained in agricultural soil with a little labor.SOLUTION: Water is supplied to a farmland, a soil pudding machine 3 is mounted on a tractor 2, a suction nozzle 4 is arranged in a posterior part in an advancing direction of the tractor 2 more than the soil pudding machine 3, the distal end part 23 of the suction nozzle 4 is arranged below a surface of a water and above the soil pudding bottom surface, the tractor 2 is made run, turbid water containing soil particles is sucked up by a suction nozzle 4 while agitating the soil of the farmland by the soil pudding machine 3.