Most of the paddy fields are slightly polluted, and it is not possible to continue planting rice for a long time. It takes a long time to apply a large amount of phosphate fertilizer to improve the soil or transform it into a dry land to grow other crops.In the two years after the arsenic poisoning incident, the people did not dare to go to the field.How long it takes for the sewage field to be repaired is still unknown.The director of the Environmental Rehabilitation Center of the Institute of Geographical Sciences and Natural Resources Research of the Chinese Academy of Sciences told the reporter that once the soil is polluted, it is difficult to repair it in a short time. Compared with environmental pollution control such as water, air and solid waste, soil pollution is the most difficult to solve.
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