污泥堆肥的应用研究进展

污泥因其含有大量有机质和氮磷钾等营养成分,作为堆肥原料已逐渐成为人们处理污泥的主要方式。污泥经过堆肥化形成的生物固体应用于农田、林地、草地、市政绿化、果树及蔬菜地,可改善土壤物理性质,提高土壤保水能力及土壤团粒结构稳定性,使严重扰动的土地逐渐恢复植被并促进土壤熟化。本文综述了污泥堆肥在农业、林业、蔬菜、花卉、果树以及土地修复重建上的应用,并提出目前存在的问题及其在农业中的发展趋势。

Application and Development of Sewage Sludge Compost in Agriculture

The sewage sludge became an important means of sludge treatment because of containing many organic matters and N,P,K.The biosolids,formed by composting of sewage sludge,was applied to farmland,woodland,grassland,municipal green,fruit and vegetable land,so as to restore vegetation on serious disturbance land and promote soil ripening,which were well used as fertilizer.The applications of the sewage sludge in agriculture,forestry,vegetables,flowers,fruit trees and land reconstruction as well as development tendency in agriculture were mainly reviewed.