Phosphorus in agriculture and its environmental implications / A.N. Sharpley and S. Rekolainen -- Estimating the contribution from agriculture to the phosphorus load in surface water / S.D. Lennox ... [et al.] -- Phosphorus losses from agriculture to surface waters in the Nordic countries / S. Rekolainen ... [et al.] -- Reconstructing historical phosphorus concentrations in rural lakes using diatom models / N.J. Anderson -- The dynamics of phosphorus in freshwater and marine environments / C.E. Gibson -- The behaviour of soil and fertilizer phosphorus / M.A. Morgan -- Setting and justifying upper critical limits for phosphorus in soils / E. Sibbesen and A.N. Sharpley