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The use of mulch to increase Spider (Arachnidae) numbers; a habitat approach to biological insect control Organic Eprints
Manns, Mrs. Hida R.; Murray, D. L.; Beresford, D. V..
The potential for insect predators to contribute to a biological balance of insect species was explored with mulch. Insects were collected in pitfall traps in outdoor microplots over 3 seasons in southern Ontario, Canada. Treatments varied each season with crops of oats or soybeans, with residue of straw, corn stalks or paperfibre, and with residue tilled in or surface applied. In 2006 at the peak of spider population density there was a significant effect of the plant and the paperfibre residue on increasing spider density. Existing data sets on spiders by Spiller and Schoener (1988 & 1994) were analyzed to assess the potential to increase spider survival from improved carrying capacity of their habitat. Spider census data was tested with curve...
Tipo: Conference paper, poster, etc. Palavras-chave: Crop health; Quality; Protection Biodiversity and ecosystem services Composting and manuring.
Ano: 2008 URL: http://orgprints.org/11936/1/Manns_11936_ed.doc
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Användning av kompost för att kontrollera den jordburna sjukdomen korkrot i ekologisk tomatodling Organic Eprints
Inom den svenska ekologiska växthusodlingen är tomat den enskilt största kulturen. Den jordburna sjukdomen korkrot, orsakad av svampen Pyrenochaeta lycopersici, utgör det allvarligaste odlingsproblemet. I intensiva produktionssystem eller när samma jord används 3-4 år kan skördereduktionen uppgå till 30-40%. Tidigare forskning har visat att tillförsel av kompost i vissa fall kan hämma växtpatogener och minska sjukdomsangrepp. Tanken med detta projekt är att undersöka möjligheten att hämma korkrot genom att tillföra olika slags komposter, möjliga att framställa utifrån lokala resurser på ekologiska gårdar.  Vi ska studera komposter gjorda av grönmassa (rödklöver), gödsel respektive trädgårdsavfall och initialt pröva den hämmande förmågan i 10...
Tipo: Project description Palavras-chave: Crop health; Quality; Protection Biodiversity and ecosystem services Composting and manuring.
Ano: 2024
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