我县试种甘蓝型春油菜已经五年了。1977年全县种植1万亩左右,单产100斤左右。一、大有好处(一)甘蓝型春油菜生育期短,有利于调剂茬口和劳力。在我县,甘蓝型春油菜一般于2月上中旬播种,6月上中旬收获,生育期110天左右。晚茬口、冬闲田(不能种上冬小麦或冬油菜的田)。冬耕冻 Five years have passed since we planted the cabbage spring rape in our county. In 1977 the county planted around 10,000 acres, yield about 100 pounds. First, a great advantage (a) Short spring rape cabbage growth period, is conducive to the swap stubble and labor. In our county, the Brassica napus is sowed in mid-February and harvested in mid-June, with a growth period of about 110 days. Late crop stubble, winter fallow field (can not be planted with winter wheat or winter rape fields). Winter plowing