Is this over fertilized.. Help
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The 4-6-3 fertilizer is not that rich in "N". I dont know what "booster plus" is. Compost, depends. Most composts have very little "N" as well.

Tomatoes need a balance NPK,( 3-1-2 ratio) as found in MG All purpose water soluble (the blue staff that is used with sprayer, but you can dissolve it in watering can as well). OR MG Shake n feed granular time release, which is formulated for tomatoes and peppers.

You have to fertilize moderately, early on. Then cut back when flowering/fruiting begins.
On the other hand, most Indeterminat tomato varieties tend to grow a lot of foliage, no matter what. I find pruning a solution.

Tomatoes need high nitrogen when they are starting out but more phosphorus during blooms. See the video link for some great information and tips

Here is a link that might be useful: Grow Tomatoes Not Foliage

Farmington, you will probably get more & better answers for Tomato questions on one of the GW Tomato Forums. The link below is the best place to post the question in this thread.

Here is a link that might be useful: Growing tomatoes