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BkSkillz Reviewed by BkSkillz on . Soil nutrients Soil Nutrients Elements essential for plant growth These are normally divided into two groups named major nutrients and minor nutrients according to the quantities required by the plant Major nutrients ,Nutrient Chemical Symbol ,Importance to Plants Natural Source . Nitrogen N Synthesis of proteins, chlorophyll Plant residues Phosphorus P Synthesis of enzymes and the storage of energy. Little natural reserves in the UK. Rating: 5