Without Merit: poison in your compost
and names Merit and Forefront. This herbicide is used to control weeds such as thistle, knapweed and yellow starthistle. The problem is that aminopyralid survives the digestive systems of animals pastured on land sprayed with it, as well as compost piles made from their manure. Most other herbicides break down eventually, but this stuff sticks around. An organic farmer using compost contaminated by aminopyralid could lose crops and organic certif...