复训专题资料山西省农机局农机监理培训处山西省农机推广站山西农机杂志社播种出苗后，及时查苗护膜，对缺苗断垄的进行催芽补种，发现被风吹起的地膜时要及时埋严压紧。拔节——灌浆期，统一喷施氧化乐果、三防王、１６０５等药剂，防治病虫害。抽穗后，为延长叶片功能期... Recurrent training materials Shanxi Agricultural Mechanization Bureau Farm Machinery Supervision Training Office Shanxi Agricultural Machinery Promotion Station Shanxi Agricultural Machinery Magazine sowing seedlings timely check seedling barrier on the lack of seedlings rundown germination replanting and found that the wind blown film Buried tightly in a timely manner. Jointing - filling period, a unified injection of omethoate, three anti-Wang, 1605 and other agents, pest control. After heading, in order to extend the functional period of leaves ...