粉煤灰是工业废粉,如能科学地加以利用,会化废为宝。煤灰粉作为土壤改良剂,对农作物增产效果显著。据陕西省试验资料,每亩施干粉煤灰1.6万斤,增收小麦91.4斤,增产13.3％,麦收后种玉米,又增收玉米100斤,增产15.7％,玉米收获后再种小麦,每亩增产小麦160斤,增产率高达35.6％,该省周至县15万亩小麦低产田,经施用粉煤灰后,每亩平 Fly ash is industrial waste powder, if it can be used scientifically, it will turn waste into treasure. As a soil conditioner, coal ash powder has remarkable effect on crop yield increase. According to the experimental data of Shaanxi Province, applying 16,000 kilograms of fly ash per acre increased the yield of wheat by 91.4 kilograms and increased the yield by 13.3%. After harvesting corn and harvesting 100 kilos of corn, the yield increased by 15.7% 160 pounds of wheat, increasing yield as high as 35.6%, Zhouzhi County, the province 150000 mu of wheat low yield field, after the application of fly ash, mu of flat