Soils in Our Environment

摘要: 1. Soil Composition and Importance. 2. Physical Properties. 3. Water 4. Chemical 5. Organisms Their Residues. 6. Formation Morphology. 7. Taxonomy. 8. Acidic Soils. 9. Salt-Affected 10. Plant Nutrients: Nitrogen, Phosphorus, Potassium. 11. Calcium, Magnesium, Sulfur, Micronutrients. 12. Fertility Management. 13. Tillage Systems Alternatives. 14. Erosion. 15. Resources Irrigation. 16. Wetlands Land Drainage. 17. Pollution of Soil, Water, Air. 18. Toward Environmental Integrity. 19. Surveys Land-Use Planning. 20. Greenhouse Soils Soilless Culture.