Pot experiments were carried out to compare the effects of Phosphate-Solubilizing Bacteria (PSB) and phosphate fertilizer application on the improvement of coal fly ash.

• 采用高粱为供试植物,通过盆栽试验比较接种解磷细菌与施加磷肥对粉煤灰的综合改良作用以及对植物生长的影响。