Potting soil does not come cheap nowadays and if you have to fill a large raised bed, you will definitely notice the pinch. Using layers of different materials is cheaper and gives your plants more ...

What’s in a word? Well, if it’s the word dirt or soil, it turns out, it’s a lot. While most people, myself included, often ...

l), our knowledge of the turn-over of forest soil humus is very incomplete. This is particularly true of the organic matter in soil horizons below the humus layer.