Modelling of Crop Response to Nitrogen Fertilizer: Discussion Floate, M. J. S. ; Greenwood, D. J. ; Nelder, J. A. ; Frissel, M. J. ; Greenwood, D. J. Abstract Publication: Philosophical Transactions of the Royal Society of London Series B Pub Date: January 1982 Bibcode: 1982RSPTB.296..360F