Fall is an important time to think about your soil. If you have poor quality soil, this is an excellent time to add amendments (such as peat moss) or shredded newspaper (which will decompose over the winter and make wonderful soil come spring. If you have a cover crop like (winter rye, a clover, etc.), let it die from a frost and turn it under in the spring before planting (when you can add compost).
My Vegetable Garden 