?url_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Adc&rft.title=Erh%C3%83%C2%B6hung+der+Ertragssicherheit+und+Optimierung+der+Pflegemassnahmen+im+biologischen+Weinanbau&rft.subject=Viticulture&rft.description=Although+different+progresses+in+yield+security+were+achieved%2C+e.g.+with+an+improved+plant+protection+strategy+(reducing+the+amount+of+copper+by+clay+powder)%2C+yield+and+quality+security+in+organic+wine+growing+is+still+not+on+a+comparable+level+as+in+conventional+production.%0D%0A%0D%0AYield+security+in+organic+vine+production+is+not+sufficient+due+to+high+disease+pressure+on+sensitive+cultivars.+The+reduction+of+copper+applications+has+a+high+priority+%C3%A2%C2%80%C2%93+also+for+reasons+of+consumer+acceptance.+%0D%0AAdditionally+different+management+practices+for+weed+control%2C+plant+nutrition%3B+plant+formation+and+vine-making+(oenology)+are+not+optimized+on+a+level+as+it+is+the+case+in+conventional+production.%0D%0A%0D%0AProject+aims%3A%0D%0ADevelop+or+and+test+plant+protection+and+management+strategies+to+increase+yield+security+of+organic+vine+growing.+Improvements+in+organic+oenology+techniques.%0D%0A%0D%0AMethodology%3A%0D%0ATrials+in+precision+trials+and+on+On-Farm+level+in+Switzerland%2C+France%2C+Italy+and+Spain.+Microvinification.%0D%0A%0D%0AResults%0D%0ADifferent+new+natural+spray+products+to+prevent+diseases+were+tested.+Partly+with+positive+effects.+Novel+prognosis+models+can+contribute+efficiently+to+apply+more+precisely+and+less+organic+fungicides+(in+particular+copper).%0D%0AThe+application+of+modern+software+to+predict+the+infection+risk+of+diseases+has+been+shown+to+be+helpful+in+terms+of+better+timing+of+the+applications.+Consequent+leaf-thinning+of+the+grape+zone+can+reduce+disease+pressure.+Some+new+spray+products+(clay+powder%2C+plant+extracts+and+resistance+inducers)+are+tested.+New+systems+of+the+alleyway-management+with+specific+cover+plants+are+tested%2C+also+for+arid+zones.%0D%0A&rft.type=Project+description&rft.type=NonPeerReviewed&rft.identifier=%7BProject%7D+Organic+vine+growing%3A+Erh%C3%83%C2%B6hung+der+Ertragssicherheit+und+Optimierung+der+Pflegemassnahmen+im+biologischen+Weinanbau.+[Increasing+yield+security+and+optimization+of+management+practices+in+organic+vine+growing.]+Runs+1997+-+2007.+Project+Leader(s)%3A+Levite%2C+Dominique%3B+H%C3%83%C2%A4seli%2C+Andi+and+Tamm%2C+Lucius%2C+Research+Institute+of+Organic+Agriculture+(FiBL)%2C+CH-5070+Frick.+More+information+online+at+%3Chttp%3A%2F%2Fwww.fibl.org%2Fde%2Fschweiz%2Fforschung%2Fanbautechnik-pflanzenbau.html+%3Chttp%3A%2F%2Fwww.fibl.org%2Fde%2Fschweiz%2Fforschung%2Fanbautechnik-pflanzenbau.html%3E%3E.&rft.relation=http%3A%2F%2Forgprints.org%2F6414%2F