Root. In the computer world, root refers to the top-level directory of a file system. The word is derived from a tree root, since it represents the starting point of a hierarchical tree structure.
Use a fertilizer with high levels of phosphorus. Phosphorus helps to prevent aluminum from creeping into the system of the hydrangea. Choose a fertilizer close to the ratio of 25/10/10 (Phosphorus is the middle number).
Health Benefits of Phosphorus. 1  1. Helps Maintain Strong Bones. 2  2. Detoxes the Body Through Urination and Excretion. 3  3. Important for Metabolism and Nutrient Utilization. 4  4. Balances the Bodyâs pH Level and Improves Digestion. 5  5. Needed to Maintain Energy Levels. 6  6. Helps Maintain Dental Health. 7  7. Needed for Cognitive Function.