MODULE 3 SOIL, WATER AND PLANTS Unit 3.1 • Soil Soil features Soil profile Soil tillage Soil degradation Unit 3.2 • Water Water resources Water availability and quality Methods of irrigation Drainage Unit 3.3 • Plants Plant classification Parts of a plant Plant processes Plant adversities and remedies Unit 3.4 • Seeds and fertilisers Cropping systems Multiple cropping systems Fertilisers Seeds Seed selection