Preface Session 1. Drainage and reclamation o f soils with low permeability, The distribution and properties of British soils in relation to land drainage, Some relationships of drainage problems in Ireland to solid and glacial geology, geomorphology and soil types, French heavy soils: Characterisation and cartography in relation to drainage, Drainage of heavy clay soils, Structural behaviour of heavy soils and drainage systems, The drainage of impermeable soils, Session 2. Monetary aspects and planning of drainage, The evaluation of measures to improve water management in land consolidation in the Netherlands, Drainage and farm economics, A model approach to the evaluation of drainage effects, Land drainage and some implications for farm incomes, Session 3. Drainage in problem areas, The drainage of peatlands in Scotland, Artesian water drainage in relation to drainage in Denmark, Improving the permeability of heavy soils by subsoiling, Some aspects of sedimentation and clogging in heavy soils, Problems of pipe drainage in Italy, Session 4. Research and development, A new approach in research into drainage materials, Potential for mole drainage as drainage technique on heavy soils, Drainage research for better drainage efficiency, Situation report on land drainage in Germany, The drainage requirements of crops in southern Italy in relation to irrigation, Session 5. Field visits, The work of the Field Drainage Experimental Unit, Introduction to Trumpington, Crop growth in drainage experiments in the field and lysimeters in the UK Session 6. Discussion of current and future activities Introduction and working papers, General discussion, List of participants.
