Transcription of CHAPTER 1. SOIL PHYSICAL PROPERTIES
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CHAPTER 1. SOIL PHYSICAL PROPERTIES
SSC107-Fall 2000 CHAPTER 1, Page - 1 - CHAPTER 1. SOIL PHYSICAL PROPERTIESC ontents: Soil physics Soil texture Soil surface area Soil structure Volume and mass relationships Water content measurements UnitsSOIL PHYSICS: THE STUDY OF THE STATE AND TRANSPORT OF ALL FORM OFMATTER AND ENERGY IN SOILSJ Why study soil physics ???ATMOSPHEREROOTZONESOIL SURFACEVADOSE ZONE CROPSSTREAMGROUNDWATERSOILS: SOURCE OF NUTRIENTS AND WATER FOR CROP AND PLANT GROWTH CONDUIT BETWEEN SOIL SURFACE AND GROUNDWATER ACT AS FILTER AND A BUFFERSSC107-Fall 2000 CHAPTER 1, Page - 2 -Soils are extremely complex, hence we often simplify to study and understand soil physicalprinciples, , soil particles are spherical soil pores are composed of capillary tubes soil is homogeneoussoil particlessoil gassoil waterSOIL SOLID PHASE IS CHARACTERIZED B
SSC107-Fall 2000 Chapter 1, Page - 9 - - Water permeability (ratio of permeability to air and water) 20.0 Air permeability/ water permeability 10.0 …
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