Salt if you are successful with grafting I think you will find that if you use the right varieties of both root stock and scion that you will have all the tomatoes you can use with far fewer plants. My increase in production amounts after grafting shocked me. It wasn't that the grafting caused any super increase in fruit production so much as the fact that the plants stayed healthy for so much longer and I only had to worry about diseases, pests, fertilizing, supporting, watering, and picking.
Bill
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