The sewage sludge of this region have abundant organic material, available N, P ,K, micro-elements, beneficial microorganism and all deleterious elements are lower than nation criterion, which would improve saline-alkali soils.
本区的污泥含有丰富的有机质、碱解N、有效P、K、有益微量元素和有益微生物,是全面提高盐碱地养分的良好添加剂。 粉煤灰与污泥中有害元素低于国家农控标准。
参考来源 - 粉煤灰与污泥配施改良山东郑路、华丰盐碱地的实验研究·2,447,543篇论文数据,部分数据来源于NoteExpress
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