油菜是我省栽培面积最广的油料作物。全省各类农业地区都有分布。集中产区在海拔2700米以上的高寒阴湿地带(通称脑山地区),主要种植早熟白菜型小油菜。春播秋收,一年一熟。在有灌溉条件的川水地区,分带着生育期稍长的甘兰型和芥菜型油 Rape is the most widely cultivated oilseed crop in our province. All kinds of agricultural areas in the province are distributed. Centralized producing areas in the altitude of 2700 meters above the alpine wetlands (commonly known as the brain Hill area), the main planted precocious cabbage rapeseed. Spring broadcast autumn harvest, cooked a year. In irrigation areas in the Chuan Shui area, with a slightly longer growing period of kalan type and mustard oil