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  • From: Mike Rock <mikerock AT mhtc.net>
  • To: Market Farming <market-farming AT lists.ibiblio.org>
  • Subject: Re: [Market-farming] Organic certified herbicide
  • Date: Wed, 19 May 2010 14:37:47 -0500

Thanks to all.
It turns out that to do twenty acres of corn takes $500 per acre per application ($25/quart, 5 gallons/acre)= $10,000. There is no translocation, so the roots are still viable. You must reapply at intervals to suppress new growth until the roots are so short on stored energy that the plant succumbs.

I talked to the lady at the vinegar source in Port Townsend, WA. Her advice was to plow, Roto-vate, disk the weeds under and then plant. THEN spray post-emergence (with shields to protect the corn/your plants--my addin).

So, viable, yes. Expensive, yes...... Practical, yes, on limited scale.

Back to the horse drawn cultivators. Makes twenty acres bigger, that's for sure.

Mike

Barking Cat Farm wrote:
We just recently tried Weed Zap and are happy with it so far. Here is a URL from
Peaceful Valley Farm Supply
<http://www.groworganic.com/item_PWC230_Weed_Zaptrade_quart.html>. You may
find a better price elsewhere. It is 90% clove and cinnamon oils, I think. So the
worst thing I have to say about it so far is that it smells like Big Red chewing
gum. :)

We tried it on a small test area a few weeks back and liked it enough to buy
more to treat the rest of the farm.

Laurie - zones 7&8

On May 18, 2010, at 2:52 PMMay/18/10, Mike Rock wrote:

I should have said, any experience out there with organic herbicides like BioWeed, or vinegar?

Mike Rock wrote:
Is there any organic herbicide out there that will knock down thistles, mustard, the regular cast of characters?

Most respectfully,
Mike Rock

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