While it's not likely to be a paying proposition in your no-till fields, gardeners are being encouraged to purchase earthworm castings to improve the productivity of their soils. Marketing materials for these casting products definitely show the correlation as to why increased earthworm numbers in your no-tilled fields help boost yields and protect the environment.

As a no-tiller, Ralph Alshouse recognizes the importance of nurturing the living organisms found in the soil to produce high-yielding crops. An intensive study of many of the soil conditions found in no-till has helped him fully understand what is occurring with the soils in his Corydon, Iowa, no-till corn and soybean operation.