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Neal S. Eash is a Professor of Biosystems Engineering & Soil Science at the University of Tennessee in Knoxville, TN, USA.
Thomas J. Sauer is a Research Soil Scientist in the Soil, Water, and Air Research Unit at the USDA Agricultural Research Service in Ames, IA, USA.
Deb O???Dell is a Doctoral Candidate in the Biosystems Engineering & Soil Science Department at the University of Tennessee in Knoxville, TN, USA.
Evah Odoi is an Adjunct Assistant Professor in the Biosystems Engineering & Soil Science at the University of Tennessee in Knoxville, TN, USA.
1. Introduction to Soil
What is Soil?
Nature and Uses of Soil
How Big Is an Acre? A Hectare?
2. Soil Formation
The Rock Cycle
Composition of the Earth’s Crust
Processes of Rock Weathering
Factors of Soil Formation
Soil Horizon Development
Let’s Take a Trip
3. Soil Physical Properties
Soil Phases
Soil Separates
Soil Texture
Soil Structure
Benefits of Aggregation
Porosity and Density
Composition of Soil Pores
Soil Consistence
Soil Color
4. Soil Biological Properties
Organic Matter and Humus
The Carbon Cycle
Carbon Sequestration
Nitrous oxide loss
Plant Roots and the Rhizosphere
Microorganisms
Biological Decomposition of Rocks
Macroorganisms
Pesticide Use and Soil Organisms
5. Soil Chemical Properties
Soil Colloidal System
Silicate Clays
Oxide Clays
Cation Exchange
Anion Exchange
Soil Reaction (pH)
Soil Aggregation
6. Soil Water
Hydrologic Cycle
Soil Water Storage and Movement
Water Use by Plants
Drainage
Irrigation
Water Conservation
7. Soil Temperature
Importance of Soil Temperature
Factors Affecting Energy Inputs
Energy Inputs and Temperature Change
Heat Transfer in Soils
Soil Temperature Fluctuations
Managing Soil Temperature
8. Soil Fertility and Plant Nutrition
Soil Fertility
Plant Nutrition
Determining Nutrient Needs
Adding Plant Nutrients
Precision Farming
Organic Framing/Gardening
Composting
Fertilizer materials and concentrations
Fate of applied fertilizers (Denitrification, nitrous oxide loss)
9. Soil Management
Physical Condition
Tillage Practices
Chemical Characteristics
Biological Characteristics
Crop Production Factors
10. Soil Conservation and the Environment
Erosion Processes
Erosion by Water
Erosion by Wind
Erosion by Mass Wasting
Sediment as a Pollutant
Extent of the Problem
11.Conservation Agriculture
Principles
Trends in No-till adoption in Mechanized Agriculture
Trends in Hoe-till adoption in Subsistence Agriculture
Cover Crops
Crop Rotations
Weed Control
Value Chain
12. Soil Classification and Surveyd
The Soil Classification Categories
The 12 Soil Orders
Time is too Short for Strong Soil Development
Climate Is the Dominant Factor in Soil Development
Parent Material Is Specific
Vegetation Is a Grassland (Prairie)
Climate and Vegetation Combination Dominates
Soil Horizons
Description of the Diagnostic Surface Horizons (Epipedons)
Description of Subsurface Horizons
Other Diagnostic Subsurface Horizons
Soil Moisture and Temperature Regimes
Soil Surveys
Land Capability Classes
Soil Landscape Appreciation
13. Soil and Its Uses
Urban Soils
Engineering Uses
Municipal Wastes
Disturbed or Contaminated Lands
Glossary
Index
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