The productivity of temperate grasslands; The productivity of mediterranean and semi-arid grasslands; Physiological aspects of pasture growth; Modelling pasture growth; Effects of nitrogen fertilizer; Effects of grazing and cutting; The botanical composition of pastures; Beef production from managed grasslands; Milk production from managed grasslands; Sheep production from managed grasslands; Other domesticated animals; Grazing behaviour; Plant factors affecting intake; Minerals in pastures and supplements; Reproduction, lifespan and efficiency of production; Nitrogen cycling in managed grasslands; Phosphorus cycling in managed grasslands; Return fo nutrients by animals; Nitrogen fixation in managed grasslands; Nitrogen losses from managed grassland; Run-off and drainage from grassland catchments; Economic considerations in the prodution and utilization of herbage; Stocking rate; Fertilizer inputs and botanical composition; Herbage conservation and supplements.