Originally, Chou expected that it would take at least three years to improve the soil fertility, but fortunately by the second year the results were already impressive. This winter, for example, one of the greenhouses quintupled its yield to 500 kilograms.
好在原來預期改善土壤至少要 3 年時間，想不到第二年就有好成果，如今冬天一棟溫室的葉菜類產量已經提高 5 倍，達到 500 公斤。