When my snap beans came up this spring, most of them rotted off at the ground and now I'm having the same thing happen with my fall peas.
What’s Wrong With My Dirt
Certified GKH Gardening Expert
There are many reasons this would be. I would recommend that you get your soil tested to start to see if a lack of nutrients are to blame. This article may be helpful to you: https://www.gardeningknowhow.com/garden-how-to/soil-fertilizers/testing-soil.htm