Ultrasol® MAP (monoammonium phosphate) Source of nitrogen (N) and phosphorus (P) with high phosphorus content. Phosphorus is essential for root development, flower planting and initial crop development. Ultrasol® MAP has the ability to buffer nutrient solutions for fertilization, maintaining a pH of about 4.5 for optimal root uptake. It can be mixed with all water-soluble fertilizers, except for products containing calcium.

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