I have a terrible time w/ weevils. I believe it’s weevils, not sure. I have many black areas on my carrots that also can be rotten. there is often a worm or in the damaged part. this has been going on for 3 years and gets worse every year. I need to plant my carrots soon. what can I do about this?
You may need to do some soil management and crop rotation.
These links will help you.