In 2003, the city of Rochester, New York, began killing weeds with steam. A machine heats water to 280°F then sprays it on the weeds with great pressure. The extreme heat destroys the cellular structure of the plants. What is a possible disadvantage of this method of weed control? *

"The success of the steam application on weed burndown depends on a thorough canopy and stem penetration. For instance, the steam application was found to be relatively ineffective on certain weeds, like pusley, due to their prostrate (creeping) growth nature, which prevents an adequate coverage of steam on the entire plantsome of these weeds are adapted to grow back from the steam burndown." -VSC News

Explanation:

I googled it and found this on a news website, so these are not my words. :) I hope this helps.

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