粉煤灰资源的农业利用

Appllcation of fly asb in agriculture.

本文根据粉煤灰农业利用的基础及国内外研究现状，阐述了粉煤灰农业利用现状，包括直接施用于农田、利用粉煤灰生产化肥、贮灰场覆土或不覆土造田和填坑造地等。并对粉煤灰农业利用的前景提出了一些看法。

On the basis of the agricultural utilization practices for fly ash in the past and its research achievements both in China and abroad,the ways for agricutural utilization of fly ash have been dixcussed ,which include:directly applying to agricultural land as soil amendment,using fly ash to manu-facture fertilizer and to create more land by filling pit with it.New concepts in the proxpect of fly ash agricultural utilization are proposed.