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Maria from Ok writes

Can I use Hi-Yield Grass Killer Post-Emergent Herbicide in freshly tilled soil?

We grow on 2 acres and have Johnson grass problem.

Answer:

Hi-Yield Grass Killer Post-Emergent Herbicide will last in the area that was tilled. If you are trying to replant in that area, it would be best to apply a non-selective (kills all grass-no selective-will eradicate desired turf also) such as Killzall or RoundUp QuikPro and wait 7-14 days prior to planting in that area. If you are seeking a selective application, please let us know. Thank you!

Answer last updated on: 03/29/2018

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