>>2436691here is you problem
poor soil, too much rainwater washing away all nutes and damage the tomatoplants
solution
make a roof over the tomatoplants and pimp your soil. mulch and compost is great. also protip: look in terra petra, thats excatly what you need. and then add on top of that humic/fulvic and limestone/chalk.
>you will never find any better tomatoes!