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我县方山杨村油菜丰产方,曾遭受到突发的灾害性天气的侵袭,导致204亩油菜产量损失严重,比预定亩产200kg的指标减产四成以上。针对油菜生产遇到的不利天气状况,综合分析其各阶段的生育特点,摸索减产原因,以利今后油菜生产的发展和提高。1肥料运筹对产量的影响 方山杨村丰产方,品种为“秦油二号”,9月10～12日播种,10月12～20日移栽,亩栽8500株以上。根据亩产200kg的技术路线,每亩需要总用纯氮量在20kg以上,而基苗肥要占总用肥量的60％。该方
Our County Fangshan Yangcun rapeseed yield side, has been hit by sudden and catastrophic weather, resulting in 204 acres of rapeseed production losses, more than the expected target of 200kg per mu yield cut 40%. In view of adverse weather conditions encountered in rapeseed production, a comprehensive analysis of its characteristics of each stage of fertility, to explore the reasons for yield reduction, in order to facilitate the future development and improvement of rapeseed production. Fertilizer operation on the yield Fangshan Yangcun Fengfang Fang, varieties of “Qin oil on the 2nd,” September 10 to 12 sowing, October 12 to 20 transplanting, mu planted more than 8500 plants. According to 200kg per mu technical route, the total amount of pure nitrogen per acre needs to be above 20kg, while the base fertilizer should account for 60% of the total amount of fertilizer. The party