Yet More Reasons to Mulch
Image: Wikimedia. From a water conservation perspective alone, our trees need a good layer of mulch. But there are many more reasons to mulch, according to research by James Downer, Farm Advisor with the Cooperative Extension in Ventura County, California: Mulch provides nitrogen, potassium and phosphorus. A serendipitous accident in one of Downer’s studies revealed that mulch changes soil structure so that mulched soils are able to absorb more w...