?url_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Adc&rft.title=Biologische+Behangsregulierung+im+Kernobstbau&rft.subject=Obst+und+Beeren&rft.description=State+of+the+Art%3A%0D%0AA+partly+well+working+method+to+thin+surplus+flowers+in+spring+is+the+rope+machine.+However+with+older+trees+it+doesn%C3%A2%C2%80%C2%99t+work+sufficiently+in+the+inner+parts+of+the+tree.+Also+the+device+must+be+used+very+softly+in+order+to+prevent+physical+and+physiological+damages+to+the+trees.+%0D%0ADefinition+of+the+problem%3A%0D%0AIn+several+countries+organic+apple+growers+can+use+lime+sulphur+for+flower+thinning+to+regulate+the+crop+load+on+the+apple+trees.+In+Switzerland%2C+however%2C+no+spray+product+is+allowed+for+early+crop+load+regulation+to+control+bi-annual+bearing+in+organic+apple+growing.+This+is+a+key+problem+for+organic+apple+growers+in+terms+of+high+labour+costs+for+manual+thinning+and+in+terms+of+high+difficulties+to+achieve+good+quality+fruit+every+year.+%0D%0ATarget+group%3A%0D%0AOrganic+apple+growers%0D%0AMethodology%3A%0D%0AOn-Farm+trials.+Partly%2C+e.g.+to+check+phytotoxic+effects+in+advance%2C+also+greenhouse+experiments.%0D%0AWe+are+testing+different+molasse+and+oil+products+using+not-thinned%2C+rope-thinned+and+lime-sulphur-thinned+treatments+as+reference+standards.%0D%0AResults%2C+conclusion%2C+state+of+the+art%3A%0D%0AWe+found+good+thinning+potentials+with+molasses+(vinasse)+products+and+emulgated+oils.+However%2C+still+a+lot+of+optimizations+need+to+be+investigated.%0D%0A&rft.type=Projektbeschreibung+mit+Link+zur+Projekthomepage&rft.type=NonPeerReviewed&rft.identifier=%7BProjekt%7D+Crop+load+organic+apple%3A+Biologische+Behangsregulierung+im+Kernobstbau.+[Crop+load+regulation+in+organic+apple+growing.]+Laufzeit%3A+1996+-+2007.+Projekt+Projektleiter%2Fin%3A+Weibel%2C+Franco%2C+Research+Institute+of+Organic+Agriculture+(FiBL)%2C+CH-5070+Frick.+Weitere+Informationen+online+unter%3A+%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%2F6373%2F