To maintain healthy soil you must keep it replenished with a variety of organic matter from cover crops, leaf mulch, straw and other regular additives. Keep your soil fertile with the tips in this free video on garden care. Expert: Matt Kerske Bio: Matt Kerske has served as co-owner and manager of Gardens of Babylon in Nashville, Tennessee, for more than six years. He specializes in organic gardening. Filmmaker: Phillip Givens Series Description: Whether you plan to grow cactus, citrus plants, winter vegetables or just keep your houseplants healthy, the right potting, planting and basic care techniques can make both your garden and your thumb that much greener. Learn valuable garden care tips from an expert in this free video series.