WRENSHALL — “Terroir” is a French term referring to environmental factors that affect a crop’s unique traits.

For this informal test we selected organic and non-organic equivalents of carrots, apples and tomatoes from a single supplier, and matched them in terms of agricultural variety and appearance.

coli contamination. The latest recall is for organic carrots from the brand 365 Whole Foods Market, following a similar recall issued last week for several other brands of carrots and carrot juice.