brown on the bottom of the Roma tomatoes

Question

Why do I have brown on the bottom of the Roma tomatoes in my garden? The tomato fruit is still green but the bottom of he fruit is brown.

Answer 1

This is Tomato Blossom End Rot.
Here is a link that will help.

https://www.gardeningknowhow.com/edible/vegetables/tomato/tomato-blossom-rot.htm