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
Here's a great chart from www.thegardencentral.com that'll give you a few tips for planting and growing your very own healthy vegetables. This is a great resource as knowing how and when to plant your crops is a crucial part of reaping a good harvest.