This book provides all the reader needs to know about the application and science of lime for soil improvement. It is well known that farmers have confirmed that the application of lime is essential to profitable crop production on their farms. Chapters include: The Lime in Soils, Sour Limes, Tests for Acidity, Sources of Lime, Ground Limestone, Storing Lime in the Soil, Fresh Burned Lime, Lime Hydrate, Other Forms of Lime, Magnesian Lime, Methods of Application, Amount of Limes per Acre and Special Crop Demands. This book was originally published in 1919 and we are republishing this works with a new Introduction to Soil Science.