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冬蔓菁是古老的农家作物,建国以前就被广泛种植,主要分布在岷县、漳县及其相邻县份海拔2500～3100米的高寒阴湿地区,以岷县分布最为集中。1982年以前岷县冬蔓菁常年种植面积估计为2—3万亩,是该县的主要油菜品种,种植面积和产量常左右全县油菜生产。冬蔓菁的传统种植方法是:第一年将从未耕种过的高山草地或多年未耕种、已沦为草地
Winter Manjing is an ancient farmhouse. Before the founding of the People’s Republic of China, it was widely planted. It was mainly distributed in the cold and humid areas of 2500-3100 meters above sea level in Minxian, Zhangxian and adjacent counties, with Minxian being the most concentrated. Before 1982, the annual planting area of Minjiang winter vine is estimated to be 2-3 million mu, which is the main rapeseed variety in this county. The planting area and output of rapeseed are usually produced in the whole county. The traditional method of winter vine is: the first year will never be cultivated alpine grassland or years of uncultivated, has been reduced to grass