一种能有效提高农作物产量、明显改善果实品质的新型肥料硅肥，在河南应用6年来取得突出成效，目前推广面积已扩大到豫、鲁、皖、鄂、川等省的800万亩耕地。这项科研成果，是河南省科学院地理研究所归国博士蔡德龙研制开发的，以炼铁水淬渣为基本原料的硅肥产品，并于1993年作? A new type of fertilizer, silicon fertilizer, which can effectively increase the crop yield and obviously improve the fruit quality, has achieved prominent results in Henan for six years. At present, the popularized area has been expanded to 8 million mu of arable land in Henan, Shandong, Anhui, Hubei and Sichuan provinces. This scientific research achievement is researched and developed by Dr. Cai Delong, returned from the Institute of Geography, Henan Academy of Sciences. The product of silicon fertilizer based on iron - slag quenching slag as the basic raw material was made in 1993.