Appllcation of fly asb in agriculture

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.