二十载寒来暑往, 二十度春秋冬夏, 悠悠岁月, 荏苒光阴, 黄金年华, 喜逢盛世。值此《云南农业科技》生日之际, 我们怀着激动的心情, 向广大读者、作者、各级领导、各界朋友, 谨致诚挚的敬意! 忆往昔, 《云南农业科技》在风雨中启航, 在希望中扬帆, 在竞争中发展, 在探索中前进。七千二百多个日日夜夜, 三千余件科技作品, 录下了农业发展的步履, 传递着我们对大家的情意。从内部赠阅, 到公开发行; 从云南走向全国, Twenty years to cool to summer, twenty degrees spring and summer, long years, time, golden age, hi every prosperity. On the occasion of the birthday of “Yunnan Agricultural Science and Technology”, with great excitement, we sincerely wish to our readers, authors, leaders at all levels and friends from all walks of life! Recalling the past, “Yunnan Agricultural Science and Technology” set sail in a rainy day , Sail in hope, develop in competition, and advance in exploration. Over 7,200 day and night, more than 3,000 pieces of scientific and technological works recorded the steps of agricultural development and conveyed our affections to all of us. From internal donation, to the public offering; from Yunnan to the country,