Items where Author is "<span class="person_name">Armstrong, M. J.</span>"
Number of items: 2.
Article
  • A meta-analysis of sugarbeet yield responses to nitrogen fertilizer measured in England since 1980. (2009) K. W. Jaggard, Aiming Qi and M. J. Armstrong
    • Other
  • Soil mineral N and the response to N fertilizer in England. (2008) K. W. Jaggard, Aiming Qi and M. J. Armstrong