由原广东省兴农研究所所长陈先民历经九年研究而发明的天丰生物固氮肥能使小麦、玉米、棉花、蔬菜、果树等非豆科植物具有固氮功能,遥遥领先于世界各国固氮技术的研究水平。1991年该产品获国家科委颁发的优秀奖后,逐步被世人所认识,目前已有五个省设厂生产,年 Chen Xianmin, former director of Xingnong Research Institute in Guangdong Province, invented after nine years of research, Tianfeng Biological Nitrogen Fixture enables nitrogen-fixing functions of non-leguminous plants such as wheat, corn, cotton, vegetables and fruit trees and is ahead of the nitrogen fixation technology Research level. In 1991, after the product was awarded the excellent award by the State Science and Technology Commission, it has gradually been recognized by the world and now there are five factories set up in the province.