This text contains a comprehensive treatise on the conservation and management of soil, with information on classification, practices, and geographical distribution of soils across the United States. This fascinating text offers the reader much in the way of interesting information on soil, covering subjects such as soil formation, the different properties of soils, the uses of various soils, etcetera. This text will appeal to the discerning student of soil science, and makes for a worthy addition to collections of related literature. The chapters of this book include: 'Climate: The Dominant Factor in Soil Formation'; 'Chernozemic Soils'; 'Podsolic Soils'; 'Lateritic Soils'; 'Soil Differences within the Four Climatic Groups'; 'Soil Series as Unit of Classification'; 'Soil Types within Each Series'; 'Lime and Fertilizer Needs Vary With Climate'; etcetera. We are proud to republish this antique text, now complete with a new introduction on soil science.