@misc{orgprints10812,
          number = {56},
           month = {July},
           title = {A guide to organic grassland},
          author = {Lois Philipps},
            year = {2001},
           pages = {9--10},
         journal = {Elm Farm Research Centre Bulletin},
        keywords = {grassland, management, ley, bloat, fertiliser, silage, yields, clover, seed rate, seed mix},
             url = {http://orgprints.org/10812/},
        abstract = {Organic farming systems in the UK are traditionally based on ley/arable crop rotations. Up to 70% of the farmed area comprises of mixed grass and legume leys. These leys offer a powerful mechanism for supplying nitrogen through their potential to harvest biologically fixed nitrogen to support both animal production and a subsequent phase of arable cropping.  This bulletin answers some of the common questions about organic grassland management.}
}