[Market-farming] Re: Japanese Knotwood

robert schuler sunnfarm at bellatlantic.net
Mon May 16 12:33:41 EDT 2005

Two things... I agree roundup is very safe stuff at least for those of us
who use it. Before roundup we used paraquat "very unpleasant stuff". But you
should not use roundup in the greenhouse. Roundup decomposes almost
instantly when it contacts soil but will dry on greenhouse surfaces like
poly coverings,wire and wood benches and groundcovers and remain there until
washed off, if your plants touch these  surfaces before its washed off they
will die...
Devrinol is not organic nor even close, I use it on tomatoes and peppers,
its very effective in controlling some types of weeds but it doesn't persist
for more than 4 months... Bob.
Sunny Meadow Farm
Bridgeton, NJ.

Jack Lane wrote:

>       Round up poisons people? Where did you hear that? Roundup is quite
> safe. Do you have any literature to back up your claim? If I spray
> roundup on a field it has absolutely no residual activity in the soil.
> If I don't spray green plants with it I am wasting my money. You can
> even spray roundup inside a greenhouse. But take an organically
> certified herbicide like devrinol, and you will have years of persistent
> poison in the soil.

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