What do tomatoes do if they have too much nitrogen?
My tomatoes have plenty of water and no bugs or disease, but the tops of them are yellow. We mixed Chicken poop with the soil. Could that cause them to turn yellow?
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