油菜田杂草按叶片形状可分为禾本科杂草(俗称尖头杂草)和阔叶杂草。禾本科杂草叶片长条形,叶脉平行,有叶鞘包住心叶。阔叶杂草叶片椭圆形或长椭圆形,叶脉网状,叶片长在茎杆上,形成枝条。油菜田大面积使用芳氧苯氧羧酸类除草剂,如高效盖草能、精喹禾灵、精稳杀得、精禾草克、威? Rape weeds by blade shape can be divided into grass weeds (commonly known as pointed weed) and broad-leaved weeds. Grass weeds leaves long strip, parallel veins, leaf sheaths enclosing the heart leaves. Broadleaf weed leaves oval or oblong, vein veins, leaves grow on the stem, the formation of branches. Ophiopogon oxycarboxylic acid herbicides are widely used in rapeseed fields, such as high-efficient grass-cover can, quizalofop-p-ethyl, finely killed, fine grass,