Green, dumb question here, but are nematodes like snails or slugs? I've been told that marigolds repel them.
My Granny hated tomato bugs and would squish them on first sight, so she didn't tell me about any repellant for them. There has to be a less violent measure out there, I'm sure.
As to companion planting, tomato and beans I've heard grow very well together.
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