试验研究了在冀西北高寒区冷凉气候条件下脱毒微型薯的高效生产技术。
In this paper the high efficient technology of virus free minituber production of potato under cold condition in the cold area of northwestern Hebei was studied.
通过对农业资源的优势分析,认为青海省在冷凉气候资源、农业可利用土地后备资源和可开发植物种类资源等方面具有较好的比较优势。
In the article, the agro-resource was analyzed and cool climate, un-utilize land resource for farming and un-develop plant resource have the comparative advantages at Qinghai Province.
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