Dump the remaining soil out the container and put the soil, to which has been added the food, in the bottom the container. Put back into the container the rest the soil. When going through this feeding routine be sure to observe the condition the bottom soil. Fifty liters soil can produce up to 1,000 adult worms plus a new upcoming colony baby worms. If mice or rats raid the worm bed, it can be covered with a screen.
Ants also eat worms.
If your worm farm container is on legs, stand these in cans oil. If your worm farm sits directly on the ground, dust the surface around the container with pyrethrum. These may be controlled by very lightly dusting the top the soil with sulfur. This toughening process is accomplished by placing the worms in earthenware containers or wooden boxes containing damp moss, for one or two days before they are to be used. There are approximately 2,700 different kinds earthworms.