蔬菜田实行化学除草,具有成本低、收益高、减轻劳动强度等优点。现介绍几种主要蔬菜的化学除草方法。 一、芹菜、香菜、茴香 这几种蔬菜多为畦播,苗较密集,容易草荒又不便于除草。对于这些蔬菜田,可在播后苗前每亩用40％除草醚0.6～0.65公斤,对水75～100公斤;或50％扑草净0.1～0.13公斤, Vegetable field implementation of chemical weeding, with low cost, high yield, reduce labor intensity and so on. Here are some main methods of chemical weeding vegetables. First, celery, coriander, fennel these vegetables are mostly broadcast, more dense seedlings, easy grassland and not easy to weeding. For these vegetable fields, before sowing after the seedlings per mu with 40% of weeding ether 0.6 ~ 0.65 kg, 75 ~ 100 kg of water; or 50% of prometryn 0.1 ~ 0.13 kg,