Arevo, a Swedish company, has released results from field trials of Arginex Corn, a seed treatment, run by independent contract research organisations in France, Germany, Italy, Spain, Poland and Brazil in 2024 and 2025 across different soil pH levels and textures.
In a 2025 European trial, maize treated with Arginex gave up to 4.3 per cent more grain with 30 per cent less standard nitrogen fertiliser, a statistically significant result against full-rate practice. Other trials matched full-rate yields with 30 per cent less nitrogen. At three South American sites, yields of the full fertiliser programme were matched with 40 per cent less nitrogen and phosphorus.
Used with full fertiliser rates, the treatment raised grain yield by an average of 3.4 per cent, and by up to 3.8 per cent at one site. In silage maize, whole-plant biomass rose by up to 4.7 per cent with 25 per cent less nitrogen; germination was unaffected and plant height increased by up to 8 per cent.
Arginex combines the amino acid arginine with phosphate in a slow-release complex that, according to Arevo, plants take up without prior mineralisation. The company describes it as a non-microbial, shelf-stable formulation compatible with standard seed treatments and says the arginine also supports soil life such as mycorrhizal fungi and early root growth.
"Because Arginex is a non-living, single-compound formula, every batch contains the exact same molecule," said chief executive Niklas Astrom. The results were released by the company and have not been reported as peer-reviewed.
Photo: Lotus Head / Wikimedia Commons (CC BY-SA 3.0)
Source: Global Agriculture
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