入春以来,低温、寡照天气,造成油菜春季起身晚、发棵慢,生育期推迟5-7天。为夺取今年夏油丰收,必须抢抓农时,有效应对,推进科学抗灾。特提出油菜中后期田间管理技术意见。(一)及时清沟,增温降渍。今年春季低温天气多,要抓住天气放晴间隙,及时清理田间沟系,确保“三沟”畅通,做到耕层无暗渍,沟内无明水, Since spring, low temperature, light weather, resulting in rape late spring up, hair trees slow, growth period postponed 5-7 days. In order to seize the bumper harvest this summer, we must tackle the problem of agriculture, deal with it effectively, and promote scientific disaster resistance. Special rape in late field management technology advice. (A) timely Gully, warming and precipitation. Cold weather this spring and more, we should seize the weather cleared the gap, timely clean up the ditch in the field to ensure that the “three ditch” smooth, no dark soil plowing, ditch no clear water,