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Getting autumn establishment right is increasingly important as growers face more variable drilling conditions, tighter establishment windows and greater pressure to maximise the potential of every seed planted. The crops that establish quickly, develop strong root systems and build biomass before winter are often the ones best placed to cope with stresses later in the season.

As establishment conditions become increasingly variable, every opportunity to improve crop performance from day one is worth considering.
Introducing Ympact®
Ympact is a novel sustainable biostimulant seed treatment designed to enhance early crop growth, support root development and improve crop resilience by optimising key metabolic processes and supporting the plant through periods of abiotic stress. Developed using advanced nutrient technology, Ympact combines humic and fulvic acids with key micronutrients including zinc, copper and manganese to support rapid germination and early development.
Why establishment matters
The first few weeks following drilling are critical; during this period crops are establishing root systems, accessing nutrients and laying the foundations for tiller production, canopy development and overall yield potential.

Any stress encountered during establishment, whether that is moisture deficit, waterlogging, fluctuating temperatures or nutrient limitations, can impact crop performance long before symptoms become visible.

By supporting the crop during these vital early growth stages, Ympact helps create the conditions for stronger establishment and greater resilience as the season progresses.
Delivering more from every seed
Ympact's molecular complex delivers nutrients and energy directly to the germinating seed, supporting metabolic activity when the crop needs it most. This helps stimulate growth from emergence onwards and encourages more uniform crop establishment.

Why consider Ympact this autumn?

✓ Faster, more even emergence
By supporting metabolic activity during germination, Ympact helps crops establish quickly and uniformly, even where seedbed conditions are less than ideal.

✓ Stronger root development
Enhanced root growth helps young plants access water and nutrients more effectively, supporting crop resilience through challenging autumn and winter conditions.

✓ Improved crop vigour
Ympact promotes increased biomass above and below ground, helping crops build momentum before winter and maximise their potential in the spring.

✓ Better winter resilience
Supporting carbohydrate formation ahead of winter and encouraging strong spring regrowth, Ympact helps crops withstand environmental stresses and recover more effectively.
A practical addition to your establishment programme
Compatible with fungicidal seed treatments, Ympact can be easily integrated into existing autumn drilling programmes, providing an additional layer of support for crop establishment without adding complexity. 

As growers look to maximise the return from every seed planted this autumn, establishing a strong root system and vigorous canopy before winter remains one of the most effective ways to protect yield potential.
Want to learn more?
Watch this video featuring Bryony Graham and discover how Ympact biological seed treatment supported early crop vigour through a challenging season.
To learn more about how Ympact can support your autumn-sown crops, read the latest article by Leonardo Costa, leader of Corteva’s EMEA Seed Applied Technologies (SAT) here, speak to your Corteva representative or visit the Ympact product information page.
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Get in touch with our hotline team
Our hotline team are also on hand to answer any queries or concerns you have. Please do not hesitate to get in touch via 0800 689 8899, ukhotline@corteva.com, or by submitting an enquiry.
USE PLANT PROTECTION PRODUCTS SAFELY. Always read the label and product information before use. For further information including warning phrases and symbols refer to label. ®™ Trademarks Corteva Agriscience Limited and its affiliated companies. All other brand names are trademarks of other manufacturers for which proprietary rights may exist. All manufacturers trade names and trademarks are duly acknowledged. © 2026 Corteva. Ympact® contains Fulvic Acid, Humic Acid, trace elements including Copper (0.45%), Manganese (0.74%), Zinc (1.1%).