I've always heard that nutrient wise there was no difference between organic and non-organic and that the reason people ate them was because of concern of the environment or worries about cancer related issues. But according to this article there is a difference, nutrient wise, and that organic is better.
Some highlights from the article are;
Fruit and vegetables contain up to 40% more nutrients if they are grown without chemical fertilizers and pesticides.
Up to 40% more antioxidants could be found in organic fruit and vegetables than in those conventionally farmed.
Potatoes, kiwi fruit and carrots were among the organic produce found to be higher in vitamin C.
Higher levels of minerals and antioxidants were found in organically- farmed lettuce, spinach and cabbage. Organic spinach and cabbage have more minerals.
Organic produce also had higher levels of iron and zinc, vital nutrients lacking in many people's diets.
Organic cheese can have up to twice as many nutrients than conventional varieties.
Organic tomatoes, wheat, potatoes, cabbage, onions and wheat have 20 to 40 per cent more antioxidants than conventional fruit and vegetables.
But check it out for youself at
Article: The Proof is In: Organic is More Nutritious it's a really good article.