More produce is damaged by pests.
Weed control is time consuming as weeds are often removed mechanically.
Some chemical fertilizers, such as copper can remain in the soil and be harmful.
Organic dairy farms produce more methane per animal than non organic. This is because of the diet of the cattle.
Some organic farming methods use natural forms than non-organic methods.
The crop yield is lower on organic farms (about 20% less compared to non-organic farming).
Most of the organic food bought is non-organic produce