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１９８７～１９９２年对全国旱地胡麻品种进行区域试验，入选了旱地优良品种“定亚１７号”与“８４９３”，合计推广面积１９０多万亩，是当前在半干旱偏旱区，具有应用推广价值及前景的主要良种。
From 1987 to 1992, a regional experiment was conducted on the flax varieties of dry land in the whole country. Selected the fine varieties of dry land “Dingya 17” and “8493” with the total promotion area of more than 190 million mu, which is currently used in semi-arid and semi-arid areas, And the main seed of the future.