一、田间管理 1.查苗补蔸 移栽油菜在返青时应立即查苗补缺,死苗、僵苗换活苗。直播油菜在三四叶期定苗。油菜补栽苗的品种一定要与大田品种一致。 2.旱施苗肥 第1次于油菜移栽后7天～10天返青时,直播油菜于定苗时施用。每667平方米用尿素3公斤,或碳酸氢铵10公斤,或腐熟人粪尿400公斤～500公斤对水浇施。第2次在11月15日～25日施用,可用 First, the field management 1. Check seedlings 蔸 蔸 transplanting rape should check the seedlings fill the gap immediately when returning green, dead seedlings, stiff seedlings for live seedlings. Live rape in three or four leaves Dingmiao. Rape patch crop varieties must be consistent with the field varieties. 2 dry Shi Miao first rape transplanting 7 days to 10 days back to green when live rape in Dingmiao when applied. Each 667 square meters with urea 3 kg, or ammonium bicarbonate 10 kg, or decomposed human excrement 400 kg to 500 kg of water facilities. The second in November 15 ~ 25 application, available