Plant Science

Kula Bio Launches Shelf-Stable Nitrogen-Fixing Products Kula-NSP and Kula-NextSP

Kula Bio has successfully closed its Series A-1 funding round, signaling strong investor confidence in its sustainable nitrogen technology.
Image provided by Kula BIo.

Key Takeaways

  • Kula Bio commercially launched Kula-NSP and Kula-NextSP, two dry, soluble nitrogen-fixing products.
  • The new formulations eliminate cold storage needs and extend shelf life compared to liquid products.
  • Kula-NSP is OMRI-certified for organic production, while Kula-NextSP targets conventional agriculture.
  • Both products deliver nitrogen-fixing bacteria directly to the root zone to improve nitrogen use efficiency.
  • The launch builds on Kula Bio’s existing certified biostimulant platform.

Kula Bio Introduces Dry Nitrogen-Fixing Product Line

Kula Bio, a provider of sustainable nitrogen solutions, announced the commercial launch of Kula-NSP and Kula-NextSP, two shelf-stable, soluble powder products designed to deliver nitrogen-fixing bacteria directly to the root zone. The new products expand the company’s portfolio beyond its liquid formulations introduced in 2024.

According to Kula Bio, the SP product line was developed to simplify storage, handling, and application by removing cold-chain requirements and significantly extending shelf life. Kula-NSP is certified by the Organic Materials Review Institute (OMRI) for use in certified organic systems, while Kula-NextSP is formulated for conventional agriculture.

The products build on the platform established by Kula-N, the company’s flagship solution that has been approved as a Certified Biostimulant by The Fertilizer Institute (TFI). Kula Bio stated it plans to pursue the same certification pathway for its new dry formulations.

“This launch reflects our commitment to delivering practical, reliable solutions that are easy for farmers and distributors to adopt at scale,” said Harrison Yoon, Chief Executive Officer of Kula Bio. “Our focus was on combining consistent biological performance with a product that can be stored, handled, and applied seamlessly in commercial agricultural settings.”


How the Kula Bio Technology Works

Nitrogen-Fixing Microbe at the Core

Both Kula-NSP and Kula-NextSP feature Xanthobacter autotrophicus, a nitrogen-fixing bacterium known for its ability to store internal energy reserves. Kula Bio’s proprietary manufacturing process enhances this capability by providing the microbe with an internal carbon reserve to support nitrogen fixation activity.

In comparative studies cited by the company, Xanthobacter autotrophicus demonstrated up to 65% greater nitrogen fixation efficiency compared to conventional nitrogen-fixing bacteria.

Once applied to soil, the organism converts atmospheric nitrogen into plant-available forms in the root zone, enabling steady nitrogen delivery aligned with crop uptake.


Benefits for Growers Across Production Systems

Supporting Nitrogen Programs and Efficiency

Kula Bio stated that the new products are intended to complement existing nitrogen programs by maintaining nitrogen availability between fertilizer applications and supporting crops during key growth stages. The products are also positioned as partial replacements for synthetic nitrogen, particularly in regions facing regulatory constraints.

Kula-NSP is designed to provide organic growers with a consistent nitrogen source, while both products aim to improve nitrogen use efficiency by reducing losses from leaching or volatilization.

“Growers are under pressure to produce more with fewer inputs, tighter regulations, and unpredictable markets,” said Geraldo Mattioli, Chief Commercial Officer at Kula Bio. “Kula-NextSP and Kula-NSP give them a reliable biological alternative that performs in real-world conditions with cost competitiveness to fit their nitrogen programs.”


Kula Bio Positioning Within the Biologicals Market

Kula Bio noted that the launch of its dry formulations reflects its broader strategy to expand adoption of biological nitrogen solutions by improving operational flexibility while maintaining performance standards. The company stated that quality assurance and third-party certification remain central to its approach as it scales distribution across organic and conventional markets.

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