一、前言研究和利用钢铁炉渣作为肥料,国外在十九世纪下半叶就已开始。由于其所含成分相当复杂,所涉及的范围也较广泛,并因其成分的不同,应用中的效益也就有别。如在德、苏等国,用改良贝斯麦(Bessemer)法及马丁(Martin)法所得的钢渣,因其中含磷较多,故主 I. INTRODUCTION Researching and using steel slag as a fertilizer started abroad in the second half of the 19th century. Due to the complexity of the components they contain, the scope involved is also broader and the benefits in application are different due to their different composition. As in Germany, the Soviet Union and other countries, with improved Bessemer (Martin and France) method of steel slag, which contains more phosphorus, so the Lord