![The Dirt Doctor Radio Show show](https://d3dthqtvwic6y7.cloudfront.net/podcast-covers/000/041/823/small/dirt-doctor-radio-show.jpg)
Summary: Tropical John in studio. Tomatoes. Christmas tree mulch. Planting fruit trees. Water retention in potted plants. Mychorrhizae hydroponics. The Dirt Doctor Home Page Organic Gardening Topics The Dirt Doctor Video Page Organic Garden Club of America The Dirt Doctor Facebook Page