?url_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Adc&rft.title=Improving+barley+yields+in+organic+stockless+farming+systems+through+innovations+in+green+manure+management&rft.subject=+Nutrient+turnover&rft.subject=+Cereals%2C+pulses+and+oilseeds&rft.subject=Farm+nutrient+management&rft.subject=+Air+and+water+emissions&rft.subject=+Composting+and+manuring&rft.description=Low+and+fluctuating+yield+levels+of+barley+on+stockless+farms+converted+to+organic+farming+shows+that+organic+feed+barley+production+in+Norway+is+a+challenge.+This+is+mainly+because+of+insufficient+nitrogen+(N)+supply%2C+but+also+problems+with+soil+structure+in+intensive+arable+cropping+systems.+The+main+source+of+plant+nutrients+in+organic+stockless+cereal+production+is+from+soil+organic+matter+and+leguminous+green+manure+crops+within+the+crop+rotation.+Due+to+high+N+concentrations+in+green+manure+crops%2C+and+current+practice+with+repeatedly+mowing+and+leaving+these+as+green+mulch+on+the+stubble%2C+substantial+amounts+of+N+from+green+manure+is+at+risk+of+being+lost+from+the+cropping+system.+Such+losses+represent+a+reduction+in+fertilizer+value+of+the+green+manure%2C+and+increases+potential+N+pollution+to+the+atmosphere+and+watercourses.+%0D%0A+%0D%0AThe+main+objective+of+the+project+is+to+improve+yields+of+feed+barley+on+stockless+organic+farms.+This+is+to+be+achieved+through+investigations+on+how+selected+green+manure+management+and+biogas+slurry+application+from+digested+green+manure+herbage+can+improve+N+cycling+and+N+utilization%2C+and+how+these+management+strategies+will+affect+soil+structure+and+key+grain+quality+parameters.+The+results+will+be+implemented+in+tools+for+practical+fertilization+planning%2C+and+contribute+towards+increased+domestic+feed+barley+production+to+supply+the+growing+market+for+organic+meat+and+dairy+products.++%0D%0A&rft.type=Project+description&rft.type=NonPeerReviewed&rft.format=application%2Fpdf&rft.identifier=http%3A%2F%2Forgprints.org%2F13490%2F1%2Fvedlegg_2a_soknad_sendt_inn_6__juni_2007.pdf&rft.identifier=%7BProject%7D+BYGGRO%3A+Improving+barley+yields+in+organic+stockless+farming+systems+through+innovations+in+green+manure+management.+[%C3%83%C2%98kte+byggavlinger+i+%C3%83%C2%B8kologisk+drift+gjennom+bedret+gr%C3%83%C2%B8nngj%C3%83%C2%B8dselhandtering.]+Runs+2008+-+2011.+Project+Leader(s)%3A+Hansen%2C+Sissel%2C+Bioforsk+Norwegian+Institute+for+Agricultural+and+Environmental+Research.+More+information+online+at+%3Chttp%3A%2F%2Fwww.bioforsk.no%2FViewPPP.aspx%3Fview%3Dproject%26id%3D962%26viewLanguage%3DEnglish+%3Chttp%3A%2F%2Fwww.bioforsk.no%2FViewPPP.aspx%3Fview%3Dproject%26id%3D962%26viewLanguage%3DEnglish%3E%3E.&rft.relation=http%3A%2F%2Forgprints.org%2F13490%2F