If they don’t actually pollute the water, then they are very eager to prove that they are not polluting the water. Again, the farmers really want to prove that which upstreams are responsible for the chemicals in their farmland.
If they don’t actually pollute the water, then they are very eager to prove that they are not polluting the water. Again, the farmers really want to prove that which upstreams are responsible for the chemicals in their farmland.