31: Soil and Plant Nutrition Last updated Save as PDF Page ID 12623 Boundless Boundless 31.1: Nutritional Requirements of Plants 31.1A: Plant Nutrition 31.1B: The Chemical Composition of Plants 31.1C: Essential Nutrients for Plants 31.2: The Soil 31.2A: Soil Composition 31.2B: Soil Formation 31.2C: Physical Properties of Soil 31.3: Nutritional Adaptations of Plants 31.3A: Nitrogen Fixation- Root and Bacteria Interactions 31.3B: Mycorrhizae- The Symbiotic Relationship between Fungi and Roots 31.3C: Nutrients from Other Sources