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From practice to science and back – knowledge and information chains in PRODIVA Organic Eprints
Gerowitt, Bärbel; Hofmeijer, Merel A.J.; Melander, Bo; Sonderskov, Mette; Krawczyk, Roman; Kaczmarek, Sylvia; Salonen, Jukka; Verwijst, Theo.
To organize and manage the dissemination process has become a general task within international projects. Within the project PRODIVA (Crop diversification and weed management) we organized these chains as returning cascades between practice (advisors and farmers) and scientists in the Baltic area. A network of farmers was created in each participating region. We collected and used practical knowledge about dominating weed species in Organic spring cereal production. This data can be compared with monitored weeds in the regions. Together with the monitored weeds management data was collected on-farm. Relating this data to the results of experimentally investigated crop diversification tools, being subsidiary crops in the rotation, crop mixtures and variety...
Tipo: Conference paper, poster, etc. Palavras-chave: "Organics" in general Education; Extension and communication Weed management.
Ano: 2018 URL: http://orgprints.org/33447/1/PRODIVA_WP5_Presentation_BGerowitt.pdf
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Mixtures of varieties of spring cereals for weed suppression in organic crop production Organic Eprints
Zarina, Livija; Kaczmarek, Sylvia; Melander, Bo; Sonderskov, Mette.
The suppression of weeds exerted by the crop plays a significant role for weed management in organic crop production. Crop species have different competitive abilities against weeds but also crop varieties vary in their suppression of weeds. Previous studies with varieties of spring cereals have demonstrated marked differences in the suppression of weeds caused by different attributes, such as stem height and leaf area index. However, little is known when different varieties of the same cereal species are mixed in different compositions both in terms of the number of varieties included and the seed rates at which they are established. Some studies have focused on yield and disease aspects but this study aimed to identify and select blends of cultivars of...
Tipo: Conference paper, poster, etc. Palavras-chave: Crop combinations and interactions; Crop husbandry; Weed management.
Ano: 2016 URL: http://orgprints.org/30742/1/IWSC2016_poster_ID_321.pdf
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Undersown effect in weed management in organic cropping systems Organic Eprints
Zarina, Livija; Salonen, Jukka; Hofmeijer, Merel A.J.; Gerowitt, Bärbel; Lundkvist, Anneli; Verwijst, Theo; Sonderskov, Mette; Melander, Bo; Kaczmarek, Sylvia; Krawczyk, Roman.
The main reason for controlling weed abundance in agricultural crops is the risk for qualitative and quantitative reductions in crop yields. Although there are no simple standard solutions available for weed control in organic agriculture, however, some cultural practices—in particular, undersow in spring cereals—can be critical components of weed management. To study this thesis, specific research has been carried out in the CORE Organic Plus PRODIVA project in six northern European countries—Denmark, Finland, Germany, Latvia, Poland & Sweden. Density of weed species were assessed in 109 organic fields situated in different agro–ecological conditions of region. The highest number of weed species fixed in surveyed fields was 93 (in Denmark). The most...
Tipo: Conference paper, poster, etc. Palavras-chave: Weed management.
Ano: 2017 URL: http://orgprints.org/33077/7/agrosym2017_Abstract_Zarina%26.pdf
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