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| Hiltbrunner, Jürg; Herzog, Christine; Hunziker, Hans-Ruedi; Scherrer, Caroline. |
| Organic cropping of soya beans mainly depends on the successful control of weeds. Hoeing in between the crop rows can be effective but the mechanical control of weeds within the crop row is difficult. Objective of this study was to investigate the effect of three machines and two combinations thereof to control two model weeds seeded directly in the crop row of soya bean. Reduction of the soil cover (%) in the crop row was evaluated after the means were applied and compared to the control treatment (hoeing between the crop rows). Results of two experiments conducted in 2007 and 2008 show that soil cover of companion plants within the crop row can be reduced up to 70 % when compared to the control treatment. Before best treatments can be... |
| Tipo: Conference paper, poster, etc. |
Palavras-chave: Weed management. |
| Ano: 2009 |
URL: http://orgprints.org/14313/1/Hiltbrunner_14313.pdf |
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| Jossi, Werner; Bruderer, Ruth; Valenta, Anna; Schweizer, Christian; Scherrer, Caroline; Keller, Siegfried; Dubois, David. |
| Laufkäfer, Kurzflügler und Spinnen gehören zu den nützlichen Bewohnern der Feldfauna. Auf dem Betrieb Burgrain wurde in drei Anbausystemen integrierte Produktion (IP) intensiv, IP extensiv und biologisch von 1997 bis 2002 das Vorkommen dieser räuberischen Arthropoden mit Bodenfallen untersucht. Die Laufkäfer traten in den drei beprobten Kulturen Sommergerste, Winterweizen und Körnermais etwa gleich häufig auf. Bei biologischer Bewirtschaftung wurden in Sommergerste und Winterweizen gesichert höhere Aktivitätsdichten als bei den zwei IP-Anbausystemen festgestellt. Im Durchschnitt der drei Ackerkulturen wurden bei Bio 22 % und bei IPextensiv 8 % mehr Laufkäfer gefangen als bei IPintensiv. Es scheint, dass vor allem der höhere Unkrautbesatz bei Bio und... |
| Tipo: Journal paper |
Palavras-chave: Biodiversity and ecosystem services. |
| Ano: 2004 |
URL: http://orgprints.org/3819/1/Einfluss_Bewirtsch_auf_Nuetzlinge.pdf |
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| Stadler, Marina; Zihlmann, Urs; Scherrer, Caroline; Jossi, Werner; Streit, Bernhard. |
| In a small-plot field trial 33 green manure plants (GM) were examined for their ability to suppress weeds in a no-tillage system. A roll-chopper was used to suppress the GMs before seeding winter wheat. The success of this organic method to control GMs was compared to the standard method using a non selective herbicide. Species of the group brassicaceae, monocotyles and plant mixtures covered the soil faster, produced more biomass and suppressed weeds more efficiently than species of the group legumes and dicotyles. In spring, weed infestation in all roll-chopper treatments always exceeded economic threshold values whereas in the herbicide treatment weed infestations remained below these values. Additionally, wheat yield and density was reduced in... |
| Tipo: Conference paper, poster, etc. |
Palavras-chave: Crop husbandry. |
| Ano: 2009 |
URL: http://orgprints.org/14397/1/Stadler_14397.pdf |
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