4414 1 archive 2540 disk0/00/00/44/14 2006-11-18 2009-08-20 14:25:31 2009-08-20 14:25:31 conference_item show 0 en The paper archived here is the final paper submitted by the authors to the conference Researching Sustainable Systems. The final and edited papers are available at the following publication: Köpke, Ulrich; Niggli, Urs; Neuhoff, Daniel; Cornish, Peter; Lockeretz, Willie und Willer, Helga, (Hrsg.) (2005) Researching Sustainable Systems. Proceedings of the First Scientific Conference of the International Society of Organic Agriculture Research (ISOFAR) Held in Cooperation with the International Federation of Organic Agriculture Movements (IFOAM) and the National Association for Sustainable Agriculture, Australia (NASAA), 21 - 23 September 2005, Adelaide Convention Centre, Adelaide, South Australia. Research Institute of Organic Agriculture FiBL, CH-Frick, and International Society of Organic Agriculture Research (ISOFAR), c/o Institute of Organic Agriculture (IOL), DE-University of Bonn. http://orgprints.org/4013/ Distribution: Paper copies may be ordered from FiBL at a cost of 28 Euros plus mailing costs (see FiBL shop at http://www.fibl.org/shop); FiBL order number 1394. A PDF version of the proceedings is available free of charge for ISOFAR members via the member area of www.isofar.org. The final papers submitted by the authors are available at http://orgprints.org/view/projects/int-conf-isofar-2005.html. int-conf-isofar-2005 September 21-23, 2005 Researching Sustainable Systems - International Scientific Conference on Organic Agriculture Adelaide, Australia never 0 TRUE poster Lukashyk Pavel Koepke Ulrich unpub 3cereals Organic farming, hairy tare, kainite, flame weeding, harrowing Combinations of three different direct methods for controlling Vicia hirsuta (kainite application, flame weeding and harrowing) were investigated in field experiments. They were based on different strategies at early growth stages of V. hirsuta and standardised harrowing at late growth stages. The highest efficacy of kainite application and flame weeding was achieved at the one leaf stage of V. hirsuta. Winter wheat regeneration from damage caused by both kainite and thermal control was satisfactory when treatments were applied at early growth stages (GS 23). Vicia hirsuta plants that survived kainite application or flame weeding were successfully controlled by repeated harrowing at later crop growth stages; crop growth was not affected. Seed production of V. hirsuta declined with increasing harrowing in all treatments; however the strongest and most reliable reduction was achieved when flame weeding had been previously applied. All combinations of direct measures reduced winter wheat grain-yield losses and enhanced thousand-grain weight more efficiently than the use of a single method only. The highest wheat-grain yield was gained after repeated harrowing (3 times) both with and without kainite application. 2005 published public 4045 1 4414 4 application/pdf de public

4414-Lukashyk_Koepke_combination_4p_revised-ed.pdf

4414-Lukashyk_Koepke_combination_4p_revised-ed.pdf 258168 http://orgprints.org/4414/4/4414-Lukashyk_Koepke_combination_4p_revised-ed.pdf