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我区土状褐煤、氧化烟煤、泥煤储量丰富,据不完全统计,分布我区八个地区的一百四十多个点。一九七四年各地送区化工研究所已分析10多个点的煤样看,腐植酸含量高的达45—75％,一般18—35％(见下表),这些煤可以晒干,粉碎后直接加氨水(或碳铵)堆沤、密封,即得很好的腐植酸铵肥料。
I-area lignite, oxidized bituminous coal, rich peat reserves, according to incomplete statistics, the distribution of eight districts in our region more than 140 points. In 1974, the Institute of Chemical Industry sent to the district has analyzed more than 10 points of coal samples, humic acid content of up to 45-75%, generally 18-35% (see table below), the coal can be dried, Crushed directly with ammonia (or ammonium bicarbonate) reactor, sealed, that is very good humic acid ammonium fertilizer.