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Sächsisches Staatsministerium für Energie, Klimaschutz, Umwelt und Landwirtschaft
Saxony
Postfach 10 05 101
01076 Dresden
Website: External link to the authority
Nitrogen supply and control of Rhizoctonia solani in organic potato production
In organic potato production cover crops can be used to supply the nitrogen needed and to reduce damages caused by fungal pathogens like Rhizoctonia. The operational group conducts field trials to test a new method of targeted cover cropping mixing vetch (Vicia sativa) and various species of Brassicaceae. The aim is to identify an optimal combination of the two plants that provides for a high level of nitrogen to potato crops and that strongly reduces crop damage caused by Rhizoctonia. In a second part of the project the operational group investigates the in-house production of the cover crop seeds. Each part of the project shall include an economic analysis.
With regard to the project aims no differences could be found between the five variants under study. Based on the results, the mixture of Brassicaceae species and vetch is preferable over pure stands of vetch due to better competition against weeds and higher aboveground N accumulation.
In the second part of the project, the in-house production of the cover crop seed mixture (vetch and barley) showed an improved yield, stability, and competitiveness against weeds when the it contained at least 25 % barley.
Rural development 2014-2020 for Operational Groups (in the sense of Art 56 of Reg.1305/2013)
Hochschule für Technik und Wirtschaft Dresden (HTW)
Friedrich-List-Platz 1
01069 Dresden
Phone: 0351-462 2114
Email: schmidtke@htw-dresden.de
2016
ongoing
65,307
DED21 Dresden, Kreisfreie Stadt
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