Urban Farm Fertilizers Texas Tomato Food. Competition Tomato Fertilizer. 1/2 Gallon Calcium rich. No more blossom-end rot. Made from organic teas, mycorrhizae, humic acid, kelp, enzymes, and minerals. For drip, hand-watering, hydroponics, and foliar feeding. Super-concentrated: 256:1. 1/2 gallon makes 128 gals of full strength fertilizer. Micro-brewed liquid fertilizer for all large fruiting vegetables. 4.0-2.9.6.7 NPK