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: https://doi.org/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, 4–11 DOI: https://doi.org/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: https://doi.org/10.23637/ERADOC-1-143

1991

• - Rothamsted (1991) "Guide to the Classical Field Experiments", Rothamsted Experimental Station, Lawes Agricultural Trust, Harpenden UK , , DOI: https://doi.org/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