Poison in the Compost
...roblem can be present in grass clippings, in manure of livestock that has eaten sprayed plant matter or in compost made from contaminated materials. These herbicides do not biodegrade during composting and can persist in your soil for several years. Contaminated materials have been found in municipal, organic and conventional bagged compost. To prevent contamination, ask questions before buying manure or compost that contains manure. If the selle...