References

 

 

The information used in the web page was obtained from the following sources.

 

http://www.nsfoods.com/organic_weed.html

http://www.nature.com/nsu/020527/020527-12.html

http://www.nature.com/nsu/000831/000831-4.html

http://greennature.com/article1336.html

http://news.bbc.co.uk/1/hi/sci/tech/588589.stm

http://www.organic-research.com/research/Papers/theme4.asp

http://www.organic-growers.com/Organic_Presentation.htm

http://www.rain.org/~sals/my.html

 

 

 

 

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