To optimise nitrogen fertiliser recommendations for quality group 1 and 2 wheats;

Carried out by ADAS from September 2002 to February 2006

2. Foliar N assessment
To deliver fast and reliable portable measurement system for on-farm assessment of the need for foliar N for protein.

A DEFRA LINK project, involving CCFRA, ADAS, Rothamsted Research, University of East Anglia, Bruker Optics, Heygates.

Project to run between April 2002 and April 2006.

3. Update N fertiliser advice
To update RB209‘s nitrogen fertiliser advice for modern group 3 and 4 winter wheat varieties and spring barley.

Carried out by ADAS, SAC, plus other industry collaborators, from August 2004 to December 2007.

Interim reports from all projects are available at www.hgca.co/research.