Herbicide Carryover in Hay, Manure,
Compost, and Grass Clippings.
Home gardeners and landscapers may feel they are doing the right thing, organically, when applying manure or compost to their gardens but- knowing something about the herbicides applied to the hay that the animals that produced the manure, ate can impact your choice of using the compost. The same goes for grass clippings of other plant debris that may end up in the compost. The attached article below describes the results being seen by many farmers and gardeners alike:
Herbicide Carryover in Hay, Manure, Compost, and Grass Clippings
Check your compost sources before using them!
For more information contact your local Cooperative Extension Center and ask for the Commercial Horticulture Agent.