Credits: past and present staff involved in eRA
e-RA was initially developed by Jackie Potts, Andy Caiger, Kevin
Crowley, Sharon Brown, Paul Verrier, Christine Thomas, Roger Payne and
Joe Perry, with funding from the Lawes Agricultural Trust and the
Leverhulme Trust. Alan Todd and Gill Tuck subsequently prepared and
curated the data, with Bill Moore responsible for the software and
database application development.
Data Curation
- Margaret
Glendining - e-RA Curator, website content, data management and
curation (2008 - Current)
- Sarah
Perryman - e-RA Curator, website content, data management and
curation (2012 - Current)
- Claudia Underwood (2008 - 2012)
- Gill Tuck (2005 - 2008)
Software and Web Development
e-RA Project Management Team
- Richard
Ostler - Project Leader & Head of Agroinformatics (2017 -
Current)
- Chris Rawlings (- 2017)
- Malcolm Hawkesford (- 2017)
- Paul Verrier
- Gavin Harrison
Long-term Experiments (LTE) Manager
- Andy
Gregory (2022 - Current)
- Andy Macdonald (2009 - 2022)
- Paul Poulton (- 2008)
LTE Principal Investigator
- Andy
Gregory (2022 - Current)
- Andy Macdonald (2017 - 2022)
- Keith Goulding (2003 - 2017)
- David Powlson (1993 - 2003)
Data Entry
- Valerie Mitchell (- 2018)
- Vera Wiltsher (- 2014)
Data Preparation and Statistics
- Suzanne
Clark (2018 - Current)
- Rodger White (2009 - 2018)
- Alan Todd (1974 - 2009)
Data provision
Meteorological Stations
Crop and soil sample collection and processing
Crop/Vegetation data
- Chris
Hall (2008 - 2022)
- Tony
Scott (Park Grass vegetation surveys 2010 - Current)
- Jon
Storkey (Park vegetation surveys 2010 - Current)
- Richard
Hull (Broadbalk weed surveys - Current)
- Chris Mackay (2010 - Current)
- Tim Hall (1990 - Current)
- Andy Macdonald (2008 - 2022)
- Paul Poulton (1980 - 2008)
- Steve Freeman (2013 - 2020)
- Mariana Marczyova (2008 - 2013)
- Holly Addis (2020 - 2022)
Soils
- Tony
Scott (2008 - Current)
- Andy
Gregory (2016 - Current)
- Chris
Hall (2008 - Current, Park Grass)
- Andy Macdonald (2008 - 2022)
- Paul Poulton (1980 - 2008)
- Steve Freeman (2013 - 2020)
- Mariana Marczyova (2008 - 2013)
- Holly Addis (2020 - 2022)
- Michelle Farnham (2020 & 2021)
Crop and soil analyses conducted by the Rothamsted Chemical
Analytical Unit
Soil and Plant material:
- Exchangeable Cations 
Extraction by Melanie Brookman and ICP-OES Analysis by Mark Durenkamp
and Chloe Garwood
- Olsen P Extraction by Melanie
Brookman and Colourimetric Analysis by Wendy Wilmer
- pH in water Analysis by Melanie
Brookman
Total N & C Combustion
Analysis by Ruth Skilton
- Major and Trace element Determination
Digestion by Chloe Garwood & Ruth Skilton and ICP-OES Analysis by
Mark Durenkamp and Chloe Garwood
Drainage water:
- Major and Trace element
Determination ICP-OES Analysis by Mark Durenkamp and Chloe Garwood
- Anion Determination (NO3,NH4,Cl,PO4
& TSN) Colourimetric Analysis by Wendy Wilmer
- TOC UV TOC Analysis by Wendy Wilmer
Farm Yard Manure:
- Kjeldahl Total N Extraction by
Melanie Brookman and Colourimetric Analysis by Wendy Wilmer
Retired/past staff who conducted analyses:
- Adrian Crosland 1990 - 2017 (ICP-OES Determinations)
- Xiaoyun Zhou 2001 - 2019 (Total N & C and Digestion)
- Kerria Rowan 2019 - 2020 (Total N & C + Digestion)
- Maureen Birdsey 1990 - 2000 for LTE work (Digestion Lab)
- Jeanne Day 1990 - 2002 (Total N & C & Digestion Lab)
- Ursula Donnellan 2008 - 2013 (Olsen P, Exch Cat, pH)
- Anne Duffy 2007 - 2007 (Olsen P, Exchangeable Cations, pH)
- Sadia Beg 2003/4 - 2007 (Olsen P, Exchangeable Cations, pH)
- Daniel Hampshire 1990s - 2003/4 (Olsen P, Exchangeable
Cations, pH, Total N & C).
For further information and assistance, please contact the e-RA
curators, Sarah Perryman and Margaret Glendining using the e-RA email
address: era@rothamsted.ac.uk