Hi Jack,
Yes melocon is expensive 300?. We use it because we have to. It works for us meaning we see less damage hard to tell when a product like this works. I guess it means you are less financially impacted by your nematodes. Shrimp shell meal contains chitin that is a food source for fungus's that might then turn to nematodes. I suggest a combo of melocon and shrimp shell meal. Steaming works. Boiling water can penetrate the earth well, especially in sandy soil. but I would put on the melocon after of course. Steaming is regularly used for media here for the floral industry. Also I would not discount N resistant varietals there are some very good tasting tomatoes developed for the greenhouse trade with N resistance as well as some very sweet grape types. Good Luck!
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