提起李扬汉这个名字,中国乃至世界植物学、杂草学界几乎无人不知。他是南京农业大学五名终身教授之一,植物学及杂草科学博士生导师,联合国粮农组织改进杂草管理专家组成员,亚太地区杂草管理指导委员会委员,国际杂草科学学会终身会员,美国杂草科学学会荣誉会员。他不仅是享誉国内外的科学家,而且是卓越的农业教育家。他的弟子遍布全国各地以及世界许多国家和地区。每当新年来临之际,他家里的书桌上、柜台上摆满了来自四面八方五颜六色的贺卡,每当他外出讲学、考察、做学术报告,车站都围满了来迎接 Lift the name of Li Yanghan, botany in China and the world, weeds almost no one knows. He is one of five tenured professors at Nanjing Agricultural University, Ph.D. supervisor of Botany and Weed Science, a member of the UN Food and Agriculture Organization of Experts on Improving Weed Management, a member of Steering Committee of Weed Management in Asia Pacific Region, a Life Member of the International Weed Science Society, American weed science society honorary member. He is not only a renowned domestic and foreign scientist, but also a great agricultural educator. His disciples spread all over the country and in many countries and regions in the world. Whenever the New Year approached, his desk in the home, the counter filled with colorful greeting cards from all directions, whenever he went out to give lectures, study, academic reports, the station is full of welcome