Animal Manure on Grassland and Fodder Crops.Fertilizer or Waste?

Invited papers.- Value of animal manures: changes in perception.- Effects of herbage composition and supplement feeding on the excretion of nitrogen in dung and urine by grazing dairy cows.- Manure as a source of nitrogen and phosphorus in soils.- Utilization of nitrogen from injected and surface-spread cattle slurry applied to grassland.- The influence of different processing methods for slurry upon its fertiliser value on grassland.- Utilisation of phosphorus and potassium from animal manures on grassland and forage crops.- Distribution of excreted nitrogen by grazing cattle and its effects on sward quality, herbage production and utilization.- Negative effects of animal manure on grassland due to surface spreading and injection.- Cattle slurry and farmyard manure as fertilizers for forage maize.- Utilization of nitrogen from slurry applied to fodder crops. Research report from the Nordic countries, Denmark, Finland and Sweden.- Extent, effects and tackling of a regional manure surplus: a case-study for a Dutch region.- Nitrogen losses from animal manures: from grazed pastures and from applied slurry.- Phosphorus and heavy metals: accumulation and consequences.- The use of additives in livestock slurries to improve their flow properties, conserve nitrogen and reduce odours.- Economic aspects of the use of animal manures.- The future of animal manures as fertilizer or waste.- Short communications.- Utilization of stored, aerated or anaerobically digested dairy cattle and pig slurries on sown grassland.- Utilization of nitrogen from slurry applied to permanent grassland.- The effectiveness of high doses of cattle slurry as pasture fertilizer in a submontane region.- Yield of hay from grassland treated with mineral fertilizers and slurry.- Yields from swards of varying botanical composition fertilized with cattle slurry.- Mid-season application of organic manures - a waste of resources?.- Long term effects of slurry on grassland.- The utilization of slurry on light land.- Effects of organic fertilizer application on hay meadow quality in the French Northern Alps.- The effect of regular application of cattle slurry on grassland during the growing season on grass yield and daily milk production.- Trials on slurry application techniques for grassland.- Injector design for minimum grass sward damage.- Investigations of the fertilizer value of sheep excrements left on pasture.- The characterization of cattle slurry and the response of a range of crop plants to slurry application.- Scorching of Lolium perenne caused by cattle slurry.- The effect of cattle slurry on clover in grass/clover swards.- Factors controlling vegetation dynamics in hay meadows under high levels of organic fertilizer in the French Northern Alps.- Effect of cattle dung on the spread of couch grass (Elymus repens L.) in intensive grassland.- Comparative responses to applied fertilizer phosphorus on manured and unmanured soils.- Effect of animal manure on phosphorus and potassium content of herbage.- Utilization of potassium excreted by grazing cattle.- The effect of cattle slurry on the mineral content of pastures and blood serum in dairy cows.- Ammonia volatilization from urine patches in grassland.- Limitations for slurry application to peat grassland.- Effect of treated pig slurry on herbage and groundwater quality.- Nitrate in soil water at different depths during the growing season on permanent pasture (comparison of mineral fertilizer and liquid manure).- The effect of a nitrification inhibitor on the utilization of nitrogen by grass from injected and surface-applied pig slurry.- The influence of ground superphosphate on the pH value and the ammonia release from slurry.- Separation of pig slurry by sedimentation.