Many kinds of fertilizers can give tomatoes the extra nutrients they need. #1. If you apply too much high nitrogen fertilizer the tomato plant may stay in the vegetative state longer than normal. In general, a tomato plant's roots aren't deeper than 6-7". How much liquid fertilizer per plant? Then you can use a normal 10/10/10 fertilizer. If you apply the basic fertilizers in the equal ratio for your tomato plants, that will be a complete fertilizer. For me personally, I opt for something like an 10-5-5 or a 10-5-8 when I’m first planting. For your tomato bushes, you will need about an ounce of formula per square foot of the plant. Looking for some input on how much fertilizer per plant per week I can use. One or two side-dressings is fine for most gardens. All of the sources I have found online are on a per acre basis and I would like to know how much I can use on a per plant basis without burning the plant. I'm really concerned about using too much and killing the hop plants. It is important that every nutrient be present at all times; however, the suggested ratio of nutrients changes with each stage of growth. How much fertilizer to use on tomato plants: Plants need three basic nutrients from the soil to grow, develop roots, flourish, blooming, set fruit and harvest. Here’s how I show my tomato plants lots of love before I reveal my homemade tomato fertilizer recipe perfected after growing tomatoes for 30 years. That simply means placing fertilizer around the plants to give them extra nourishment through the season. The fertilizer requirement of tomato plants depends on their stage of growth. Potatoes – Find a liquid fertilizer that has a bit higher content of potassium as this is needed for your potatoes. Keep this in mind when mixing fertilizer into the soil. Adjust the amount or type of fertilizer that you use to grow beautiful, healthy tomatoes. If you provide too much your plants will be big and bushy and green but you won’t have any flowers and therefore no fruit! In addition, tomato plants also need some nitrogen… but not too much. I think I've been under fertilizing and believe I can add more fertilizer. Other signs of too much fertilizer on your tomato plants include blossom drop and leaf roll. This means that your tomato fertilizer will change as the plants mature, and that’s okay! Nitrogen burn occurs when there is too much nitrogen in the soil, and your plants overdose on the chemical, causing problems with growth. The best tomato fertilizer is the one which provides what your plants need at that particular moment. This gives my new starts a great kickstart, and the latter one encourages great root development. 2. If you grow your own tomato plants in a grow bag, there is a chance that you have thought about fertilizing it for better yields.Here are a handful of benefits you’ll get if you use Epsom salt as a fertilizer prior to getting the required fertilizer. 1. Enhances Photosynthesis. Some gardeners prefer to use a complete fertilizer (such as 5-10-10 or 10-10-10). How to Reverse Nitrogen Burn on Tomato Plants. No Fruit. Tomato Plant– For tomato plants use a formula with calcium in it. The Benefits of Fertilizing Tomatoes With Epsom Salt..