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在闽南海拔高度１０００ｍ山区进行脱毒马铃薯原原种夏繁试验，结果表明：夏繁成功的关键在于适当早播，调节结薯期，避过７月中下旬的高温，而播种期掌握在４月上中旬、播种量不少于１５万粒／ｈｍ~２和施足基肥、早施追肥是夏繁高产的主要技术措施。
The results showed that the key to the success of Xiafan lies in the proper early sowing and the adjustment of the tuberous stage, avoiding the high temperature in the middle and late July, while the sowing stage is at the level of 4 Mid-month, the sowing rate of not less than 150,000 / hm ~ 2 and Shizujifei, early top dressing is the main technical measures summer high yield.