Prepare your soil. Good soil preparation is essential to successful gardening. Healthy, living soil should have good tilth (soil structure that facilitates air and water penetration), nutrient content and a viable population of beneficial microorganisms. Our top three products for soil preparation are the best team to get your soil off to a healthy future. Our kit includes one .6 cu ft. bag of TTP Supreme Compost, one 10 lb. bag of Planters II, and one 12 lb. bag of Yum Yum Mix.