The trail is a very long one

I had the great luck to stumble on this great piece of information titled "who owns nature"

It's 52 pages so be prepared to read but it's a great source.

"The world's six largest agrochemical manufacturers are also seed industry giants. Despite sky-rocketing fuel and fertilizer costs, high grain prices created soaring demand for commercial seeds and pesticides in 2007. After two decades of sagging sales, the world's largest pesticide companies rebounded last year - in large part due to the subsidy-driven boom in agrofuel crops."