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July 22, 2026

Understanding P Build-Up at the Surface and Depletion Below

Why do some crops struggle to access phosphorus even when soil-test levels appear adequate? Technical Agronomist Taylor Strehl shares how phosphorus stratification develops in modern reduced-tillage and no-till systems, creating uneven nutrient distribution throughout the soil profile. Learn why phosphorus placement, fixation, and accessibility impact crop nutrition, how standard soil tests can miss subsurface depletion, and how RhizoSorb® technology helps improve phosphorus availability by expanding the zone of plant-accessible phosphorus.

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Sustainability News
RhizoSorb in the News
Industry Insights
Company Updates
Press Release
December 13, 2023

RhizoSorb® Decreases Carbon Emissions by Nearly 50%

Leading Fertilizer Technology Company Phospholutions releases a Life Cycle Assessment (LCA) validating the company’s claim to decrease carbon emissions and n...

Company Updates
August 9, 2023

Phospholutions Raises $10.15M to Accelerate Commercialization of Higher Efficiency Fertilizers

Phospholutions Inc., a pioneer in sustainable fertilizer technology, has announced an additional $10.15M investment from leading global fertilizer companies...

Article
June 2, 2023

Improving Phosphate Fertilizer Economics with RhizoSorb®

Proper soil nutrient management is a delicate balance between economical fertilizer applications and optimal nutrient delivery. Phospholutions Inc. is changi...

Press Release
May 26, 2023

Phospholutions wins the IFA/UM6P Africa AgTech Startup Showcase

Phospholutions has been selected by agricultural industry leaders as the winner of the IFA/UM6P Africa AgTech Startup Showcase at the IFA Annual Conference i...

Article
April 13, 2023

Phospholutions’ Pauline Welikhe Wins Emerging Scholar Award: “I Want to Contribute to Food and Water Security”

She says her work focused on managing this finite resource is rooted in economic and social advancement for developing countries. “My drive is simple,” she s...

Press Release
April 13, 2023

IFA Emerging Scholar Awarded to Dr. Pauline Welikhe

Dr. Welikhe’s research has focused on evaluating phosphorus (P) losses in tile-drained agricultural systems that can help contribute to improved nutrient con...

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Press Release
May 22, 2026

Phospholutions Calls for Fertilizer Efficiency to Be Included in U.S. Supply and Affordability Strategy

Phospholutions urged policymakers to consider phosphorus efficiency as a practical and immediate lever to strengthen U.S. fertilizer.

Press Release
June 10, 2025

MustGrow and Phospholutions Sign Canadian Distribution Agreement

MustGrow and Phospholutions Sign Canadian Distribution Agreement for Phosphorous Efficiency Product - RhizoSorb®

Press Release
December 18, 2024

Hunter Swisher Joins the Sustainable Phosphorus Alliance Board

The Sustainable Phosphorus Alliance, a leading organization dedicated to advancing phosphorus sustainability in North America, is proud to announce that Hunt...

Press Release
August 12, 2024

Commercial-Scale Production Proves Affordable, Accessible, and Sustainable Phosphorus Fertilizer Supply

Phospholutions Inc, a growth stage sustainable fertilizer startup, has reached a significant milestone in commercializing its flagship RhizoSorb® technology...

Press Release
August 5, 2024

Phospholutions Forge Strategic Partnership with Penn State University

Leaders from Penn State’s College of Agricultural Sciences and Phospholutions Inc. have signed a memorandum of understanding to enhance their collaboration i...

Press Release
June 4, 2024

The Next Generation of Phosphorus Fertilizer™ Expands Globally via Partnership with WeGrow AG

The Next Generation of Phosphorus Fertilizer continues to expand globally to serve Central and South America. Phospholutions, the team behind RhizoSorb® tech...

Article
July 22, 2026

Understanding P Build-Up at the Surface and Depletion Below

Why do crops struggle when soil-test phosphorus is high? Learn how phosphorus stratification affects availability and how RhizoSorb® improves access.

Article
May 27, 2026

The RhizoSorb Efficiency Cascade

How Lower Fertilizer Rates Create Real World Advantages in the Cab and in the Field

Article
May 26, 2026

The Catch-22 of Phosphate Soil Fertility

How a "more is better" approach in phosphorus can quietly reduce profitability and efficiency

Article
April 15, 2024

How the U.S. Can Make the Most of Remaining Domestic Phosphorus Reserves

Phosphorus, a vital nutrient for plant life, underpins agricultural production and global food security. But where does this essential element come from? The...

Article
June 2, 2023

Improving Phosphate Fertilizer Economics with RhizoSorb®

Proper soil nutrient management is a delicate balance between economical fertilizer applications and optimal nutrient delivery. Phospholutions Inc. is changi...

Article
April 13, 2023

Phospholutions’ Pauline Welikhe Wins Emerging Scholar Award: “I Want to Contribute to Food and Water Security”

She says her work focused on managing this finite resource is rooted in economic and social advancement for developing countries. “My drive is simple,” she s...

Company Updates
February 24, 2026

Phospholutions Marks Year of Growth; Adoption Accelerates Ahead of Spring Farming Season

Fertilizer Technology Company Surpasses One Million Acres Of Commercial Use, Expands International Momentum, Leadership Team, Partnerships, Regulatory Progress

Company Updates
January 21, 2026

Phospholutions Appoints Julia Andrus as Marketing & Communications Manager

Phospholutions announced today the addition of Julia Andrus as Marketing & Communications Manager, strengthening the company’s commercial capabilities as adopti

Company Updates
January 14, 2026

Phospholutions Strengthens Leadership Team to Support Next Phase of Growth

Phospholutions is today announcing a series of leadership appointments as the company enters its next phase of growth.

Company Updates
November 11, 2025

Scaling Sustainability: Inside Phospholutions’ Transformational Summer

It’s been a season of momentum at Phospholutions. From regulatory wins to international growth and industry recognition, this summer proved that sustainable fer

Company Updates
May 10, 2025

Phospholutions Expands Distribution Through Partnership with The Andersons

Announcement of a significant milestone in its United States expansion with assigned distribution agreement with The Andersons, Inc.

Company Updates
August 9, 2023

Phospholutions Raises $10.15M to Accelerate Commercialization of Higher Efficiency Fertilizers

Phospholutions Inc., a pioneer in sustainable fertilizer technology, has announced an additional $10.15M investment from leading global fertilizer companies...

Company Updates
Agritech startup Phospholutions Opens Downtown St. Pete Hub
April 13, 2023

Agritech startup Phospholutions Opens Downtown St. Pete Hub

Agritech company Phospholutions, a sustainable fertilizer startup based in State College, Pennsylvania, has a new hub in St. Petersburg and hopes it will help bolster the area’s agriculture sector.

Press Release
Phospholutions Launches RhizoSorb® to US Row Crop Market
April 13, 2023

Phospholutions Launches RhizoSorb® to US Row Crop Market

Phospholutions Launches RhizoSorb® to US Row Crop Market at Commodity Classicto Help Farmers Optimize Phosphorus Use and Reduce Fertilizer Costs While Preserving Yields

Press Release
Phospholutions Receives $250K Investment in 2022 Radicle Growth Challenge
April 13, 2023

Phospholutions Receives $250K Investment in 2022 Radicle Growth Challenge

Radicle Growth selects innovative, early-stage companies for investment, ensuring that disruptive Agtech & Food Tech companies reach their full potential. In addition to providing seed-stage capital, Radicle Growth provides a fertile environment for visionaries in the ag and food space to flourish.

Company Updates
Phospholutions, Inc. Attracts Additional Capital from Global Ag Companies
April 13, 2023

Phospholutions, Inc. Attracts Additional Capital from Global Ag Companies

Phospholutions Inc., a leader in sustainable fertilizer technology, has announced additional investment from leading global agricultural companies to support commercialization of RhizoSorb in the U.S. row crop market.

Article
Phospholutions – From Student Project to Thriving Startup
March 7, 2023

Phospholutions – From Student Project to Thriving Startup

Licensing a technology created in the College of Agricultural Sciences, Penn State startup Phospholutions developed a soil-amendment product called RhizoSorb®. The product aims to reduce phosphorus runoff and enhance plant root depth, decreasing the amount of both water and fertilizer needed to have healthy plants.

Press Release
Startups Share Innovative Solutions
March 7, 2023

Startups Share Innovative Solutions

ST. LOUIS – Ag Innovation Showcase celebrated its 10th anniversary in September in St. Louis. Since its inaugural year in 2009, the annual event has featured innovations in the agricultural and food industries through presentations by industry leaders and promising early-stage companies.

Learn Why Growers Trust RhizoSorb®

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phospholutions cta soy bean 02