Organic farming : science and practice for profitable livestock and cropping: proceedings of the BGS/AAB/COR Conference : held at the Harper Adams University College, Newport, Shropshire, UK, 20-22 April, 2004
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a farmers perspective of current and future issues
Monitoring the effects of the Organic Farming Scheme in Wales
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Aberystwyth animal welfare anthelmintic arable assessment blight breeding cattle cereal chicory compost teas conventional farming conversion to organic cows crop rotation DEFRA diversity ecological economic ectoparasites effect eggs environment environmental farmers farming systems feed fertility building flystrike forage grass grass-clover grassland grazing growers growth harvest HDRA herbage herd heterosis impact important increased infection inputs intercropping kg/ha lambs larvae legumes levels lotus manure mastitis methods milk mixtures nitrogen nutrient organic agriculture organic and conventional organic dairy organic farming organic farming systems organic food organic production organic standards organic systems organic vegetable output parasites pasture pests and diseases plant plots populations potential problems production systems range reduced ryegrass samples season seed seedbank sheep silage Soil Association sowing species strategies sustainability swards t/ha Table treatment trials triticale UK ABSTRACT varieties vegetable production weed control weed management wheat white clover