[Market-farming] was Dennis Avery article, now organic yields

road's end farm organic101 at linkny.com
Mon Sep 10 14:23:45 EDT 2007


On Sep 10, 2007, at 11:04 AM, Karen Sutherland & Roots Farm wrote:

> Hi Rivka and all,
>
> I would very much appreciate the cites re comparability of crop yields
> between organic & conventional ag.

OK, here are some. I'm sure there are more out here; these are the  
results of a fairly brief search I did in order to post on a discussion  
elsewhere. Below are URL's with a brief description following each. As  
I copied this out from my text copy, I don't know if the URL's will  
come through as links; but if not, you can just copy and paste them  
into your browser.


http://extension.osu.edu/~news/story.php?id=3547
	[Ohio State University study, in which their organic tests produced  
13% more corn than statewide average yield (most of the statewide  
average was conventionally grown) and topped the record-high state  
average by 4 bushels/acre.]

http://www.newfarm.org/columns/research_paul/2007/0207/fst.shtml
	[this one is a New Farm article on studies being done at Rodale, which  
have been running since 1981; this update is February 07. Organic  
yields started lower, then for a long time were equivalent, then from  
95 to 06 were higher than conventional.]

http://www.news.cornell.edu/stories/July05/ 
organic.farm.vs.other.ssl.html
	[this is a Cornell news service story on David Pimental's (Cornell  
professor of ecology and agriculture) review of the Rodale studies]

http://orgprints.org/9783/
	This was a study of basmati rice done at Indian Agricultural Research  
Insititue in New Delhi, India. Main focus is which organic amendments  
were useful, Relevant sentences to this purpose:
The rice grain yield (4.0 t ha-1) obtained under combined application  
of four organic amendments was at par with the yield recorded under  
recommended dose of chemical fertilizer application. An interesting  
observation recorded was that there was no serious attack of any insect  
pest or dis-ease in organically grown crop.
	

http://www.ns.umich.edu/htdocs/releases/story.php?id=5936
	[from university of michigan, news release, "organic farming can feed  
the world";
	study by UMich researches Ivette Perfecto and Catherine Badgley says  
yields almost equal in developed countries and production could double  
or triple in developing countries with organic methods]


http://crops.confex.com/crops/wc2006/techprogram/P11639.HTM
	[a study in India on groundnuts; organic produced 22% higher kernel  
yield than cv, as well as other advantages. reported at the 18th World  
Congress of Soil Science, 2006, in Philadelphia PA] [groundnut in this  
case I believe means peanuts]


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