最近使用weedout觉得还不错。 关键是杀死杂草后不再重生。 以前试过几种其它的除草剂都是当时有效，几周后杂草又长出来了。canadiantire有卖， 40刀一瓶可以兑五升。是贵了点， 但只要杀一次就一劳永逸， 贵点也值。
FEATURES
- Wilson WeedOut Ultra Concentrate is a water-based formula that kills broadleaf weeds in lawns
- Kills dandelion, plantain and ragweed down to the roots – with no re-growth
- Use in pressure tank spray applicator or spray bottle – mix 100mL with 900mL water
- One 500mL bottle will provide 5L of spray solution
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