This book is intended as a reference work on the physical properties and management of soil in the tropics. For such regions, this book is the first of its kind. Different aspects of the constraints and their management are written by experienced researchers in the individual subjects areas. Soil physical properties, such as structure, water transmission, water balance, soil temperature regime, root growth, and crop performance are discussed in detail. In addition, a review of recent work in physical properties of tropical soils is presented with a critical appraisal of the methodology used.