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全国播种施肥机械情报网第七次年会与中国农机学会耕作委员会“地膜播种技术及其机具”学术讨论会于1985年10月11～15日在宝鸡市联合召开。全国21个省市
The 7th Annual Conference of the National Sowing and Fertilizing Machinery Information Network and the “Agricultural Sowing Technology and Its Implements” of the Cropping Committee of the Chinese Agricultural Machinery Society were jointly held in Baoji City from October 11th to 15th, 1985. 21 provinces and cities nationwide