Soil mix for raised bed gardens "Mel's Mix" as prescribed in his book Square Foot Gardening. Of course if you're a gardener you know this is the best mix comprising 1/3 vermiculite, 1/3 peat moss, and 1/3 compost. I've used Mel's Mix and I can attest that it is great, but it is on the pricey side though.
Instead of using commercial fertilizers and plant food, why not use some scraps from your kitchen that would otherwise end up in the trash or compost bin to amend and improve your garden soil naturally? Inexpensive and easy, these are my favorite ways to get my garden ready for spring planting. Eggshells, banana peels, Epsom salts, coffee grounds. Find out more at http://www.fresheggsdaily.com/2016/06/7-ways-to-improve-your-garden-soil.html
THIS IS WHY I GROW MY OWN FOOD! The nutrition in the soil that grows the food supply is depleted. Composted soil is my fertilizer and crop rotation every three years is a must! 5 Signs of Healthy Soil: