Thread: Pre-treat weeds with soapy water before spraying weed killer?
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Old 14-07-2014, 07:21 AM posted to alt.home.repair,alt.home.lawn.garden
dpb[_2_] dpb[_2_] is offline
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Default Pre-treat weeds with soapy water before spraying weed killer?
On 07/13/2014 9:52 PM, HomeGuy wrote:
....

Does anyone have a clue regarding if the effectiveness of water-soluble
weed killer is increased if a surface-tension reducing agent is used?
....

Indeed they do...

http://extension.psu.edu/pests/weeds/control/adjuvants-for-enhancing-herbicide-performance

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