This product or service can be used as base fertilizer or topdressing fertilizer,which can increase the flexibility of cold resistance,drought resistance and lodging resistance of crops,and yield raising effect is impressive. Phosphorus is essential for root development, flower and fruit generation, and Over-all Electricity transfer within the plant. Foliar Application: https://israelmewof.verybigblog.com/31925536/a-review-of-npk-fertilizer-for-root-development