冬油菜生产优势与栽培技术

production advantages and cultivation techniques of winter oilseed rape

油菜是临夏州的主要油料作物,也是优势经济作物之一。临夏回族自治州地处青藏高原与黄土高原的接壤地带,大部分地区海拔在2000m以上,年均气温6.3℃,无霜期130～180d,日照充足,昼夜温差大,有利于油菜生长发育及油分的积累,油籽产量高、品质好,是全国春油菜的最适生态区之一。

Rape is a major oil crops and one of the advantage of economic crops in Linxia. is one. Linxia Hui Au- tonomous Prefecture is a border zone between Qinghai-Tibet Plateau and the Loess Plateau, most of the region is more than 2 000 m above sea level, the average annual temperature is 6.3 ℃, frost-free period is 130-180 d, sunshine is e- nough, big temperature difference between day and night, it is conducive to grow and accumulate rapeseed oil , it is easy to have good quality and it is the optimal ecological zones for spring rape.