Answer: The leaves will continue to decompose and add nutrients to the soil so you shouldn't have to add anything else before you plant. A 4-5-inch layer of leaves over the garden should have decomposed over the winter months and when you tilled it (8-10" deep) into the soil, will be at the perfect level for the roots of your plants to benefit from the nutrients. Just level the area and plant. Hope you have a bumper crop!
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