What you should know about the earthworms in your soil

These prolific creatures – up to three million in every hectare – benefit plants and add to soil quality. But some, like the night crawler, can cause runoff and soil losses, and are not so good for our forests

by MIKE MULHERN

Worms! You walk over them all the time. You dig them up, plow them up, fish with them squirming on a hook. But, what do you really know about them and how much they do for you? Not you the fisherman, you the farmer!

Better Farming - May 2012