My tomatoes have started to fruit but for some reason the leaves are turning yellow. I don't water the foliage, just the roots.
Certified GKH Gardening Expert
There are a number of reasons for leaf yellowing in tomatoes. This article should help with pinpointing and correcting the cause of yours: https://www.gardeningknowhow.com/edible/vegetables/tomato/yellow-tomato-leaves.htm