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  • From: Antoine Gendreau Turmel <fermecouleedouce AT gmail.com>
  • To: "rob AT songberry.ca, Market Farming" <market-farming AT lists.ibiblio.org>
  • Subject: Re: [Market-farming] Bio- Plastics vs. plastic mulch
  • Date: Wed, 16 Mar 2011 11:32:45 -0000

Title: Re: [Market-farming] Bio- Plastics vs. plastic mulch
If I can add to Rob’s comments,

I am also very satisfied with BioTelo on our farm. It is certified OK Compost. It holds up pretty well, although it does start to tear down in august, even sooner on some soils that are wetter or high in organic matter.  By that time tough, the tomatoes, cucumber and squash plants are usually large enough to shade out most weeds.

But from my experience, the mulch is not totally gone by the next year. You can still see small bits of black bioplastic on the soil. It is kind of unsightly. But they do degrade within two years.

Another thing to keep in mind is to order just the quantity you need for one season. It does not hold well in storage and it will break down very fast if you try to use it the next year.


Antoine G Turmel

Ferme de la Coulée Douce
St-Antoine-de-Tilly, Quebec, Canada
www.FermeDeLaCouleeDouce.com  




Le 15/03/11 22:14, « Rob Wallbridge » <rob AT songberry.ca> a écrit :

I’d echo many of Rivka’s comments and concerns. I’ve had really good experience with BioTelo on my farm: it lays well with a mechanical layer (best on cool mornings on properly-prepared soil, with NO tension on the rollers), works well with a waterwheel transplanter, holds up fairly well, and is completely gone by the next year. It is approved for certified organic use here in Canada. Pricey, but no labour costs for removal and nothing to haul to the landfill. I’ve never seen or heard of anybody using the Weed Guard Plus product with a mechanical layer and waterwheel transplanter – that’s what concerns me most.
 

Rob Wallbridge
Songberry Organic Farm
24 Sixth Line, Bristol, QC J0X 1G0
rob AT songberry.ca <mailto:songberry AT songberry.com>
www.songberry.ca <http://www.songberry.ca>
facebook: "Songberry Organic Farm"
twitter: @songberryfarm


From: market-farming-bounces AT lists.ibiblio.org [mailto:market-farming-bounces AT lists.ibiblio.org] On Behalf Of Road's End Farm
Sent: Tuesday, March 15, 2011 4:53 PM
To: farmersue AT myfairpoint.net; Market Farming
Subject: Re: [Market-farming] Bio- Plastics vs. plastic mulch

 

On Mar 15, 2011, at 3:43 PM, Sue Wells wrote:


Does anyone else have comments on Weed Guard Plus? Is this better than Bio tel?

Sue

Vermont


My comments on all such materials:



1) Check that the specific material actually breaks down leaving no harmful residues. There has at one time or another been a lot of stuff on the market being sold as "biodegradable" that didn't actually meet such standards. -- If it's acceptable for use by organic certifying agencies, somebody outside the company selling it should have checked this. If it isn't, there are multiple possible reasons, but I'd recommend doing your own checking. And I wouldn't assume that because it's in a garden catalogue claiming it as "organic" that it does in fact meet current standards; I still sometimes see items so advertised that I know are not acceptable. When the USDA limited the use of the word for food products, they declined to limit it for companies selling garden and farm supplies.



2) Try the material out on a small scale in your own operation before relying on it. Speed of breakdown can vary considerably depending on weather, climate, soil type, and the microorganisms in the particular soil. I've had edges buried in soil break down almost immediately after planting, with the result that the wind picked the material up and flipped it over the top of young transplants, doing damage. This was some years ago, and may not apply to materials currently on the market; but you do need to check on your own place, in case the particular material won't last as long as you need it to, in your particular soil, for your particular uses. Also, some materials may be hard to lay with some equipment, or may need different adjustment of the equipment than you're used to, so that laying them properly may take practice.


 

-- Rivka; Finger Lakes NY, Zone 5 mostly

Fresh-market organic produce, small scale






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