Till your soil minimally, as tilling can kill earthworms. The best tilling depth is 3 to 5 inches. Be sure that the soil never dries out too much, but at the same time avoid over-watering. By maintaining these soil conditions, you will notice your earthworm population increasing rapidly!

A great tip to consider in regard to gardening is the fact that you want to wait a few weeks after spreading your fertilizer before planting your crops. This is important because the soil needs time to blend and stabilize its pH levels. During this time you can help the process by manually tilling it.