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Contents: I. Problem Soils: An Introduction. II. Soils with Climatic Problems. 1. Cold soils (Frozen soils). 2. Dry soils/arid soils. III. Soils with Physical Problems. 3. Steep soils. 4. Shallow soils. 5. Poorly or imperfectly drained or slowly permeable soils / submerged soils. 6. Surface crusted soil. 7. Soils with subsoil hardpan. 8. Highly permeable soils. 9. Heavy clay soils / heavy cracking soils (Vertisols). 8. Fluffy paddy soils. 10. Organic soils. IV. Soils with Chemical Problems. 11. Acid soils. 12. Acid sulphate soils (Cat clays). 13. Laterite and associated soils. 14. Red Soils. 15. Salt affected soils. V. Soils with Biological Problems. 16. Soils with low organic matter. 17. Soils with low biological activity. VI. Soils with Problems Due to Anthropogenic Reasons (Degraded Soils). 18. Eroded Soils. 19. Nutritionally poor soils. 20. Waterlogged soils. 21. Contaminated soils. 22. Mined degraded soils (Mine soils). Bibliography.