On the MayoClinic.com site I found a nice chart to illustrate the differences between conventional produce vs. organic produce.
Conventional | Organic |
---|---|
Apply chemical fertilizers to promote plant growth. | Apply natural fertilizers, such as manure or compost, to feed soil and plants. |
Spray insecticides to reduce pests and disease. | Use beneficial insects and birds, mating disruption or traps to reduce pests and disease. |
Use chemical herbicides to manage weeds. | Rotate crops, till, hand weed or mulch to manage weeds. |
Give animals antibiotics, growth hormones and medications to prevent disease and spur growth. | Give animals organic feed and allow them access to the outdoors. Use preventive measures — such as rotational grazing, a balanced diet and clean housing — to help minimize disease. |
So the major benefits I can see are that organic foods stay clear of the chemicals and pesticides that a lot of farmers commonly use on conventional produce. When addressing the question if organic is more nutritious than conventional produce Mayoclinic.com stated that "Researchers have concluded that organically and conventionally produced foodstuffs are comparable in their nutrient content".
I think even though the nutrition may be the same it makes sense that MayoClinic.com does list common concerns that can persuade people when choosing organic over other produce. See below.
Mayo Clinic. (2011). Organic foods: Are they safer? More Nutritious? Retrieved February 8, 2011, from
http://www.mayoclinic.com/health/organic-food/NU00255
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