What is soil fertility? ContentsIntroduction. Questions for Today: What is organic agriculture? E.g., industrial production, housing, transport, recreation, dumping ground for wastes etc., Principles of soil management. Soil management practices – knowledge and adoption. of a good soil Protect soil from physical, chemical and biological degradation, limit erosion and avoid deforestation. ContentsIntroduction. Why learn more about soil management? Texture Cation exchange capacity Organic matter S