On Monday, July 15, 2013 7:43:01 PM UTC+1, wrote:
Andrew Gabriel wrote:

Also, higher concentrations often don't work because they

kill the parts of the plant they land on before the plant

can absorb them down into the roots



So, would repeated (eg daily) application of a weaker solution work?

should be no need for more than 1 application for common plants/areas.

Jim K