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合理利用粉煤灰、水库淤积物和污泥三种废弃物对保护环境有重要意义。选择干旱半干旱地区 ,联合施用上述三种废物进行土壤改良 ,兼有建设生态环境的作用。盆栽试验结果表明 :粉煤灰、水库淤积物、污泥按适当比例配合施用 ,对改良贫瘠土壤、促进植物生长有明显效果。
Rational use of fly ash, reservoir sediment and sludge three kinds of waste on the protection of the environment is of great significance. Select arid and semi-arid areas, the joint use of the above three kinds of waste for soil improvement, both the role of the construction of ecological environment. The results of pot experiment showed that the application of fly ash, reservoir sediment and sludge in the proper proportions had obvious effect on improving poor soil and promoting plant growth.