Nutri-Phite® Phosphite Fertilizer Supplement | Verdesian


Phosphite Fertilizer Supplement

Label | SDS | Sell Sheet

Contact Us

Enhance nutrient uptake for increased yield with phosphite fertilizer

Developed by the University of California at Riverside, Nutri-Phite® sets the standard in phosphite nutrition. It enhances nutrient uptake to improve plant health and vigor, resulting in better plant nutrition, higher fruit solid content and improved stand opportunity and emergence, leading to increased yield potential and production.

Nutri-Phite’s patented organic acids help to slow the conversion – or oxidation – of PO3, making more phosphorus available to the plant and reducing the chances of phytotoxicity. By stabilizing the phosphorous acid phosphite molecule with a proprietary formulation that includes organic acid, Nutri-Phite inhibits reactions with other elements — particularly cations commonly found in tank mixes, such as zinc, iron and manganese — making Nutri-Phite stable in solution, a key advantage for tank-mix compatibility with micronutrients and pesticides. Studies have shown that compared to generic phosphites, Nutri-Phite causes less oxidation, one of the challenges in spray applications of phosphite.

The details on phosphite fertilizer

  • Improves plant health, vigor and nutrition
  • Improves stand opportunity and emergence
  • Generates higher fruit solid content and enhances maturation
  • Reduces phytotoxicity
  • Optimizes yield potential

Learn More from the Specialty Crop Nutrient Use Efficiency People

At Verdesian Life Sciences, our specialty crop technologies are as varied and broad as the specialty crops themselves.

Application Guidelines

Always read and follow label instructions and restrictions before use.


This phosphite fertilizer may be applied using all types of ground spraying equipment, soil spraying/injection equipment and through certain types of irrigation systems.

See label for full list of registered plants and application rates.


Nutri-Phite phosphite fertilizer is compatible with most commonly used foliar pesticides, chemically neutral fertilizers, and micronutrients. Do not use this product with surfactants or adjuvants that lower pH.

Formulation Availability

Nutri-Phite® Calci-Phite®: United States, Columbia, Costa Rica

Nutri-Phite® Magnum®: United States, Mexico

Nutri-Phite® P Foliar: United States, Columbia

Nutri-Phite® P Soil Hi-Grade: United States, Costa Rica, Mexico, Philippines

Nutri-Phite® P+K: United States, Colombia, Costa Rica, Ecuador, Malaysia, Mexico, South Korea, Taiwan

Frequently Asked Questions About Nutri-Phite

Premium Stabilized Phosphites from Verdesian

Premium Stabilized Phosphites from Verdesian Extended

Related Products

View All
Application Guidlines
Ask a Specialist
Ask a Specialist
Steric® delivers soil-applied nutrients that delay the chemical fixation reactions between phosphorus, potassium...
Learn More

Get in Touch with a Nutri-Phite® Expert