URBANA — As the growing season wraps up and gardeners put vegetable beds to rest and clean and store tools for the winter, there is one task they may be forgetting. Testing the soil’s nutrients can provide a better understanding of a garden’s health and save money in the long run. Over time, soil fertility, pH, and even soil structure can change as nutrients are depleted. Testing soils will identify missing nutrients that can then be addressed as needed. Unless there is a specific issue being remedied, soil should be tested every three to five years. Fall is a great time for gardeners to test since soil temperatures are still…