M.R.S 152(2): "Agricultural products" means those plants and animals and their products that are useful to humans and includes, but is not limited to, forages and sod crops, grains and feed crops, dairy and dairy products, poultry and poultry products, bees and bees' products, livestock and livestock products and fruits, berries, vegetables, flowers, seeds, grasses and other similar products, or any other plant, animal or plant or animal products that supply humans with food, feed, fiber or fur. "Agricultural products" does not include trees grown and harvested for forest products."

The deadline to file for an agricultural classification is April 1st.