以尾矿滤饼为主要材料 ,添加适量粉煤灰 ,通过大豆培肥 ,用于平果铝土矿采空区复垦。试验结果表明 ,尾矿滤饼添加适量粉煤灰的耕作层经过一年的培肥熟化后 ,即可种植农作物 ,其产量超过了当地同种农作物的产量 ,耕作效果良好 To the tailings cake as the main material, add appropriate amount of fly ash, fertilizer through the soybean, for Pingguo bauxite mined area reclamation. The test results showed that after a year’s fertilizing and curing, the tillage cake with appropriate amount of fly ash added to the tailings cake can grow crops whose output exceeds the output of the same kind of local crops and the tilling effect is good