为实现测土平衡施肥,由点到面的推广应用,达到低投入、高产出、高效益、可持续发展,从1995年开始,玉田县在中国农科院土肥所专家的指导下,应用卫星定位与地理信息系统,实现了主要农作物小麦、玉米的标准化平衡施肥。经1998～2000年推广应用2000亩次,增产粮食30万公斤,增收30余万元。2002年推广至105万亩次,平均增产11.2％。其 To achieve the balance of soil fertilization by measuring, to promote the use of point to surface, to achieve low input, high yield, high efficiency, sustainable development, from 1995 onwards, Yutian County, under the guidance of the Chinese Academy of Agricultural Sciences, soil and fertilizer experts, application Satellite positioning and geographic information system, the main crop of wheat and corn to achieve a balanced balanced fertilization. The 1998-2002000 promotion of 2000 acres of times, an increase of grain 300,000 kg, an increase of more than 30 million. In 2002 to 1.05 million mu times, with an average yield of 11.2%. its