1989年3月云南省科委组织省农科院士肥所、省农牧渔业厅土肥站主持,由玉溪、楚雄、大理、保山、昆明、曲靖6个地州市参加的云南省水稻微机优化施肥技术研究和引进应用协作组。针对计算机建立模型需要的数据,经统一设计,在6个地州市选择不同气 In March 1989, Yunnan Provincial Science and Technology Commission organized by the Provincial Academy of Agricultural Sciences Institute of Fertilizer, Provincial Department of Agriculture and Fisheries Department of soil and fertilizer station presided over by Yuxi, Chuxiong, Dali, Baoshan, Kunming, Qujing six prefectures and cities participate in Yunnan Province, rice microcomputer optimization Fertilization technology research and introduction of application team. For the computer model needed to establish the data, the unified design, in six prefectures and cities choose different gas