C. E. Shepherd

Nitrogen efficiency of wheat: Genotypic and environmental variation and prospects for improvement

Malcolm J. Hawkesford, P. Barraclough, R. López-Bellido, 2010 .

Use and application of permanent downhole pressure gauges in the Balmoral field and satellite structures

C. E. Shepherd, D. C. Wilson, Patrick Neve, 1991 .

Co-ordinated expression of amino acid metabolism in response to N and S deficiency during wheat grain filling.

Malcolm J. Hawkesford, Jane L. Ward, Paul J. Verrier, 2008, Journal of experimental botany.

Predicting post-anthesis N requirements of bread wheat with a Minolta SPAD meter

Peter B. Barraclough, P. Barraclough, R. López-Bellido, 2004 .

A comparison of management regimes for one-year rotational set-aside within a sequence of winter wheat crops, and of growing wheat without interruption. 1. Effects on soil mineral nitrogen, grain yield and quality

C. E. Shepherd, E. Bacon, M. V. Hewitt, 1998, The Journal of Agricultural Science.