CONTENTS ( Abstracted/Indexed in: Biol. Abstr., CABS, Chem. Abstr., Curr. Contents AB & ES, EH & § Digest, Environ. Period. Bibliogr., Excerpta Med., Focus On: Global Change, Geo Abstr., Meterol. & Geoastrophys. Abstr., Oceanogr. Lit. Rev., PASCAL/CNRS, Selected Water Resour. Abstr.) Special Issue: Relative Effectiveness of Agricultural Countermeasure Techniques— REACT. Proceedings of a Workshop Organised by the Commission of the European Communities, DG XII-D-3 Radiation Protection Research, DG XI-A-1 Radiation Protection, Brussels, 1—4 October 1991 Strategies for deployment of agricultural countermeasures B.T. Wilkins, B.J. Howard, G.M. Desmet, R.M. Alexakhin and H. Maubert (Chilton and Grange-over-Sands, UK; Brussels, Belgium; Ob- ninsk, Russian Federation; St Paul-lez-Durance, France) General Principles Applied in the Use of Countermeasures Sub-editor: M.G. Segal Countermeasures in agricultural production as an effective means of mitigating the radiological consequences of the Chernobyl accident R.M. Alexakhin (Obninsk, Russian Federation) Agrotechnical countermeasures to be applied before and during deposition of radioactive fallout C. Willrodt (Neuherberg, Germany) Agricultural countermeasures following deposition of radioactivity after a nuclear accident M.G. Segal (London, UK) Countermeasures to Limit Contamination of Plant Products Sub-Editor: A.V. Konoplev Technical approaches to decontamination of terrestrial environments in the CIS (former USSR) L.F. Vovk, V.V. Blagoyev, A.N. Lyashenko and I.S. Kovalev (Kiev and Chernobyl, Ukraine) Mechanical and physical removing of soil and plants as agricultural mitiga- tion techniques A. Jouve, E. Schulte, P. Bon and A.L. Cardot (Saint Paul-lez-Durance, A review of literature on the effectiveness of chemical amendments in reduc- ing the soil-to-plant transfer of radiostrontium and radiocaesium J. Lembrechts (Bilthoven, Netherlands) Vili Effect of soil-based countermeasures on solid-liquid equilibria in agricultural soils contaminated with radiocaesium and radiostrontium A.F. Nisbet (Chilton, UK) Blockade by fertilisers of caesium and strontium uptake into crops: effects on the root uptake process G. Shaw (Ascot, UK) Some principles behind the selection of crops to minimize radionuclide up- take from soil E. Smolders and R. Merckx (Leuven, Belgium) Influence of agricultural countermeasures on the ratio of different chemical forms of radionuclides in soil and soil solution A.V. Konoplev, N.V. Viktorova, E.P. Virchenko, V.E. Popov, A.A. Bulgakov and G.M. Desmet (Obninsk, Russian Federation; Brussels, Reduction of soil-plant transfer factors: mechanical aspects H. Maubert, I. Vovk, J. Roed, G. Arapis and A. Jouve (Saint Paul-lez- Durance, France; Kiev, Ukraine; Roskilde, Denmark; Athens, Greece) Change in land use and crop selection R.M. Alexakhin, M.J. Frissel, E.H. Schulte, B.S. Prister, V.A. Vetrov and B.T. Wilkins (Obninsk, Russian Federation; St Paul-lez-Durance, France; Kiev, Ukraine; Vienna, Austria; Chilton, UK) Application of fertilisers and ameliorants to reduce soil to plant transfer of radiocaesium and radiostrontium in the medium to long term — a summary A.F. Nisbet, A.V. Konoplev, G. Shaw, J.F. Lembrechts, R. Merckx, E. Smolders, C.M. Vandecasteele, H. Lénsj6, F. Carini and O. Burton (Chilton, UK; Obninsk, Russian Federation; Ascot, UK; Bilthoven, Netherlands; Leuven, Gembloux and Mol, Belgium; Uppsala, Sweden; Piacenza, Italy) Countermeasures to Limit Contamination of Animal Products Sub-editor: K. Hove Countermeasures used in the Ukraine to produce forage and animal food products with radionuclide levels below intervention limits after the Cher- nobyl accident B.S. Prister, G.P. Perepelyatnikov and L.V. Perepelyatnikova (Kiev, Ukraine) Effectiveness of countermeasures applied in Belarus to produce milk and meat with acceptable levels of radiocaesium after the Chernobyl accident S.K. Firsakova (Gomel, Belarus) Chemical methods to reduce the radioactive contamination of animals and their products in agricultural ecosystems G. Voigt (Neuherberg, Germany) Management methods of reducing radionuclide contamination of animal food products B.-E.V. Jones (Uppsala, Sweden) Chemical methods for reduction of the transfer of radionuclides to farm animals in semi-natural environments K. Hove (As, Norway) Management methods of reducing radionuclide contamination of animal food products in semi-natural ecosystems B.J. Howard (Grange-over-Sands, UK) Summary Countermeasures for reducing radioactive contamination of farm animals and farm animal products K. Hove, P. Strand, G. Voigt, B.-E.V. Jones, B.J. Howard, M.G. Segal, K. Pollaris and J. Pearce (As, Germany; Osteras, Norway; Neuherberg, Germany; Uppsala, Sweden; Grange-over-Sands, London and Belfast, UK; Mol, Belgium) Countermeasures for Reducing Radiation Doses Arising From Forest Ecosystems Sub-editors: O. Guillitte and G. Shaw An assessment of experimental and potential countermeasures to reduce ra- dionuclide transfers in forest ecosystems O. Guillitte and C. Willdrodt (Gembloux, Belgium; Neuherberg, Germany) Forests and forestry: radiation protection measures with special reference to the Chernobyl accident zone F.A. Tikhomirov, A.1. Shcheglov and V.P. Sidorov (Moscow, Russian Federation) Summary Decontamination methods for reducing radiation doses arising from radioac- tive contamination of forest ecosystems — a summary of available countermeasures O. Guillitte, F.A. Tikhomirov, G. Shaw, K. Johanson, A.J. Dressler and J. Melin (Gembloux, Belgium; Moscow, Russian Federation; Ascot, UK; Uppsala, Sweden; Villigen, Switzerland; Stockholm, Sweden) Author Index Subject Index