Answer: What a quandry! I've spent my entire career extolling the virtues of compost, manure and rich garden soil. But, you may have overdone things. Excessively rich soil may slow or stop fruit production on your tomato plants. The only way you'll know for sure is to plant a similar tomato plant in a container and set it next to your other tomato plants. If the one in the container, growing in regular potting soil, is out producing the plants growing in the ground, you've solved the mystery.
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