NK is part of Syngenta Seeds, marketing oilseed rape and forage maize. Since the arrival of Apex in the early 1990s, NK has been the UK’s most successful breeder of winter oilseed rape. NK has a number of OSR varieties on the HGCA Recommended List as well as specialist varieties for specific locations and end markets. We also have a strong pipeline to support UK farmers in the future.

Click on the links below to discover more about our current oilseed rape portfolio for UK growers

NKBravour: grow it with confidence through rain or shine

NK Buddy: new high yielding hybrid with a short plant height

NK Grace: a variety with a strong profile

NK Grandia: discover the new, quality export from Europe

NK Karibik: a top choice for the south

NK Molten: liquid gold

NK Technic: precision engineering in oilseed rape

The Sigma Team: working to improve yields for UK growers. Click here to discover more...

Online nitrogen calculator

NK are continually working to provide new tools and information which will benefit UK farmers.

As part of NK’s nitrogen use awareness project we have designed an online nitrogen calculator to enable growers to fine-tune their application rates.  The calculator has been developed using the original ADAS calculations of 175 kg N/ha for a crop with a GAI of 3.5 at mid-flowering aiming for a 3.5 t/ha crop. 

By inputting a crop’s GAI and mineral soil nitrogen levels the calculator will determine how much additional nitrogen is required. It will provide nitrogen application recommendations based on the latest effective date by which it should be applied and, if needed, will also split applications, expanding the original ADAS model.  

Try the calculator now - select Nitrogen Calculator from the menu on the left-hand side of this page or click here.