The nematoes and earth can be purchased at some pet stores and some (plant) nurseries. It's been some years since I used the nematoes but I do believe they are some kind of worm, you purchase them in a packet and in a kind of dry stage, then you put them in water to kind of revive them. Then you sprinkle the water with them in in all over the yard. Sounds crazy but it works. I don't have time right now but I am going to try to find the information I had on them and send it to you. Gloria
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