余姚市利用滨海平原棉地套种茎用芥菜(榨菜)已有相当长的时间,目前成品榨菜已占全国总产量的40%,产品遍及全国29个省市、200多个地区并远销日本及东南亚等国家和地区,已成为浙式榨菜的主产地。80年代以来,面积逐年上升,常年种植6～7万亩,而去年达到91724亩,超过了棉花的种植面积。而且经济效益也大大超过棉花。棉区茎用芥菜高产田块达到5000公斤,全市平均达到3918公 Yuyao City, the use of coastal plain cotton intercropping stem mustard (mustard) has been a long time, the current product mustard accounted for 40% of the country’s total output, the product throughout the country 29 provinces and cities, more than 200 areas and exported to Japan and Southeast Asia and other countries and regions, has become the main origin of Zhejiang-style mustard. Since the 1980s, the area has been increasing year by year, planting 60,000 to 70,000 hectares annually, and last year it reached 91,724 mu, exceeding the planted area of ​​cotton. And economic benefits are also much more than cotton. Cotton stems with mustard high yield field reached 5000 kg, the city average of 3918 public