Whether Organic or Not, Put Fruit and Veggies On Your Grocery List (opens in new tab)

This article was first published in The Montreal Gazette. The most commonly stated reason people buy organic food is avoidance of pesticide residues. Indeed, organic producers cannot use conventional synthetic pesticides, but that does not mean no pesticides are used. Soap-based herbicides and insecticides such as boric acid, lime sulfur, elemental sulfur and various oils are allowed. So is copper sulphate since it occurs in nature, although for agricultural use it is synthetic, made by react...