Plans and treatments

2016

• Johnston, A.E. , Poulton, P.R. , White, R.P. and Macdonald, A.J.(2016) "Determining the longer term decline in plant-available soil phosphorus from short-term measured values", Soil Use and Management, 32, 151-161
  DOI: 10.1111/sum.12253

2013

• Poulton, P.R. , Johnston, A.E. and White, R.P.(2013) "Plant-available soil phosphorus. Part I: the response of winter wheat and spring barley to Olsen P on a silty clay loam", Soil Use and Management, 29, 04-Nov
  DOI: 10.1111/j.1475-2743.2012.00450.x

1995

• Avery, B.W. and Catt, J.A.(1995) "The soil at Rothamsted", Lawes Agricultural Trust Co. Ltd, Harpenden UK , , 44 + map
  Get from eRAdoc: Soils1995-2-44
  DOI: 10.23637/ERADOC-1-143

1991

• Rothamsted(1991) "Guide to the Classical Field Experiments", Rothamsted Experimental Station, Lawes Agricultural Trust, Harpenden UK , ,
  DOI: 10.23637/ERADOC-1-189

1980

• Avery, B.W.(1980) "Soil classification for England and Wales (higher categories). ", Technical Monograph 14, Soil Survey of England and Wales, Harpenden UK , ,

1977

• Johnston, A.E. and Poulton, P.R.(1977) "Yields on the Exhaustion Land and changes in NPK content of the soils due to cropping and manuring, 1852-1975", Rothamsted Experimental Station Annual Report for 1976 , Part 2 , 53-85
  Get from eRAdoc: ResReport1976p2-55-87