绿色，好比农业丰收的希望之星，“绿证”才是农民科技致富的太阳。河南省正阳县农业局副局长李留俊就是这种甘洒热血为农民托起“绿色太阳”的人。今年３６岁的李留俊，自从１９９２年担任县“绿色证书工程”指挥部办公室副主任以来，一心扑在“绿证工程”上，满腔热情抓... Green, like the star of hope for agricultural harvest, the “green card” is the sun for farmers to get rich in science and technology. Li Youjun, deputy director of the Bureau of Agriculture in Zhengyang County, Henan Province, is the kind of person who spared no effort in helping the peasants hold a “green sun.” Li Junsun, 36, has been enthusiastically grasping the “Green Card Project” since 1992 as Deputy Director of the Office of the “Green Certificate Project” Headquarters in 1992.