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据有关部门化验,污水中肥分较高。各地经验证明,如采取积极措施清除污水中的有害成分,灌田后增产效果比较显著
According to the tests of relevant departments, the fertilizer has higher fertilizer and water content. Experience from all over the world proves that if positive measures are taken to remove the harmful components in sewage, the stimulation effect after irrigation is more significant