Everything Nematode!
Soil Inhabiting Nematodes
https://entnemdept.ufl.edu/creatures/nematode/soil_nematode.htm
"Cover Crops for managing Root-Knot Nematodes" an article published on University of Florida's IFAS website discuses several effective cover crops.
https://edis.ifas.ufl.edu/publication/IN892
"Management of Nematodes with Cowpea Cover Crop" an article published on University of Florida's IFAS website discuses which varieties of cowpeas are effective against harmful nematodes.
https://edis.ifas.ufl.edu/publication/in516
"Management of Nematodes with Sunn Hemp Cover Crop" an article published on University of Florida's IFAS website discuses how Sunn Hemp can be effective against harmful nematodes.
https://edis.ifas.ufl.edu/publication/ng043
"Nematode Management Using Sorghum and Its Relatives" an article published on University of Florida's IFAS website discussing Sorghum for nematode prevention.
https://edis.ifas.ufl.edu/publication/in531
"Marigolds for Nematode Management" an article published on University of Florida's IFAS website discussing Marigolds for nematode prevention.
https://edis.ifas.ufl.edu/publication/ng045
"Nematode Management in Organic Agriculture" an article published on University of Florida's IFAS website discussing organic controls for nematode prevention.
https://edis.ifas.ufl.edu/publication/ng047
"Solarization for Pest Management in Florida" an article published on University of Florida's IFAS website discussing how to effectively use solarization.