What Makes a Good Soil Improving Tree?
Summary Of Effects Of Trees On Soils Recent Study References Original Source About the Author Web links Related editions of The Overstory Publisher notes Introduction: Effects of Trees on Soils Agroforestry systems have the potential to make use of marginal and degraded lands through the soil improving effects of trees. In this edition of The Overstory, special guest author Dr. Anthony Young shares an excerpt adapted from his popular book, Agroforestry for Soil Management. For more information about the original publication please see Original Source. Soil Fertility and Land Degradation Approaches to soil management, including problems of soil degradation and low soil fertility, have recently undergone major changes. The former view was to concentrate on achieving high levels of production from the more fertile areas, leaving the marginal lands for extensive use only. Steeply sloping and highly drought-prone areas were preferably not to be cultivated at all. Soil constraints were to be