南郑县气候温暖湿润,光照较充足,土壤肥沃,适宜“双低”油菜种植。该县自20世纪90年代后期引进高产优质“双低”油菜进行种植,经过10余年的示范推广,目前种植面积已达到23万亩,平均亩产140 kg,取得了良好的效益。“双低”油菜的推广种植,促进了油料生产的发展,提高了人民的生活水 Nanzheng County, warm and humid climate, adequate sunshine, fertile soil, suitable “double low ” rape planting. Since the late 1990s, the county has introduced high-yield and high-quality “double-low” rapeseed for planting. After more than 10 years of demonstration and promotion, the present acreage has reached 230,000 mu with an average yield of 140 kg per mu and achieved good benefits. “Double low ” rape promotion, promote the development of fuel production, improve people’s living water