Is organic farming really better for the environment?

Image by thomaswanhoff
Organic Farm Vang Vieng, www.laofarm.org/#

Question by Jenna: Is organic farming really better for the environment?
My friend and I were arguing about this. Her opinion is that it is actually worse for the environment because since no pesticides are used the ground must be tilled more to get rid of weeds causing more erosion.

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