Environmental Soil Science, Third EditionA study of environmental soil science. This second edition presents new material on: abiotic, biological and biochemical weathering of minerals in soils; microbial compounds such as enzymes, hormones, mucigel, and extracellular polysaccharides; electric double layer theory; desertification and soil degradation as well as natural processes of ageing; low-input sustainable agriculture; schemes for cultivating crops in outer space; and more. |
Contents
SOILS AND THE ENVIRONMENT | 1 |
INORGANIC SOIL CONSTITUENTS | 28 |
ORGANIC SOIL CONSTITUENTS | 80 |
GAS PHASE IN SOILS | 145 |
LIQUID PHASE | 168 |
SOIL PHYSICS IN THE ENVIRONMENT | 224 |
ELECTROCHEMICAL PROPERTIES | 252 |
Common terms and phrases
acid soils adsorbed adsorption aeration aerobic agricultural algae allophane amino acids anaerobic andosols anions bacteria biological Brady called carbohydrates carbon cation exchange cation exchange capacity cells chelation chemical clay minerals CO₂ colloids concentration constituents crop production cycle decomposition decrease discussed dissolved effect environment environmental fertilizers forest formation fulvic acids gelisols hence horizon humic acids humic matter humid humus hydrolysis hydroponics important increase industry inorganic kaolinite large amounts layer leaching lignin metal microbial microorganisms Miller and Gardiner mollisols N₂ nature negatively charged nitrate nitrogen nutrient O₂ oxidation oxisols oxygen phosphate plant growth plant roots plastic pollution pore spaces present quartz reaction regions residue rocks sand silica sludge smectite soil air soil moisture soil organic matter soil pH soil solution soil structure soil water soluble spodosols sulfur surface soil temperature texture tissue toxic tropical types ultisols usually vermiculite vertisols waste weathering whereas