Tomato plants are one of the most popular plants for any gardener to grow. Whether this garden is your first you have ever tried, or you have been growing your own vegetables as long as you can remember, tomatoes most likely are in it. With their popularity, and having a couple of questions come into the office lately, I decided to share a few articles by Ward Upham, horticulture expert for K-State Research and Extension this week for possible concerns with your plants at home.Do Not Over-Fertilize Tomatoes: Though tomatoes need to be fertilized to yield well, too much nitrogen can result in large plants with little to no fruit.