Vinegar for weed

Leo A. Martin
Fri, 05 Apr 2013 01:29:17 PDT
Alberto, hope you are not flooded.

I meant spraying vinegar on the weed seedlings, not in sufficient quantities to drench
the soil. It chemically burns them. It doesn't work so well on older plants. I use it
for winter-growing weeds including grasses.

As for carbon and oxygen sources - a local soil scientist in a lecture told a group of
us to consider adding sugar and 3% hydrogen peroxide to irrigation water for fruit trees
and lawns. He said it encouraged growth of beneficial microorganisms. The quantities
were small: per irrigated acre / 0.4 hecatare, about 1 cup / 240ml granulated sugar (I
know it isn't measured that way in SI but I don't feel like looking up the density of
granulated sugar) and 1 pint / 480ml 3% hydrogen peroxide.

Leo Martin
Phoenix Arizona USA

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