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山东省脱毒甘薯繁育推广研讨会在济南召开杨崇良（山东省农业科学院植物保护研究所）为加速脱毒甘薯的繁育推广，山东省农科院植保所于１９９５年３月４日在济南召开了“山东省脱毒甘薯繁育推广
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山东省脱毒甘薯繁育推广研讨会在济南召开杨崇良（山东省农业科学院植物保护研究所）为加速脱毒甘薯的繁育推广，山东省农科院植保所于１９９５年３月４日在济南召开了“山东省脱毒甘薯繁育推广研讨会”，出席会议的有省内有关市、地、县、乡科委、农委、农业局等２６个单...
Shandong Province virus-free sweet potato breeding promotion seminar held in Jinan Yang Chongliang (Institute of Plant Protection, Shandong Academy of Agricultural Sciences) To speed up the promotion of virus-free sweet potato breeding, Shandong Academy of Agricultural Sciences plant protection in March 4, 1995 held in Jinan “Shandong province detoxification sweet potato breeding promotion seminar”, attended the meeting of the province about city, prefecture, county, township committee of science and technology, agricultural committee, agriculture bureau, etc. 26 single ...
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