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1982年,日本群马县污泥肥料的生产量约1.3万吨(脱水饼),预计今后还将迅速增多。目前全县污泥肥料的用量约2.7万吨,污泥作为堆肥原料利用正在不断增多。在这种形势下,以县农业综合试验场为中心的各研究单位开展了有效利用污泥肥料的调查试验。结果证明,施用污泥或污泥肥
In 1982, the output of sludge and fertilizers in Gunma Prefecture in Japan was about 13,000 tons (dehydrated cake) and is expected to increase rapidly in the future. At present, the amount of sludge and fertilizer in the whole county is about 27,000 tons, and the utilization of sludge as raw material for compost is increasing. Under such circumstances, all the research units centering on the comprehensive agricultural experiment station in the county have carried out investigations and investigations on the effective utilization of sludge and fertilizers. The results show that the application of sludge or sludge fertilizer