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Economic evaluation

 

Economy
Additional costs for exclusion netting vary and are determined by factors such as crop type, geometry of the orchard, the netting system used, if the netting is a completely new construction or a supplement to an existing construction, and by the amount of contributions by the growers themselves. According to the analysis in the participating farms, the acquisition costs for the netting amounted on average to 4.400 €/ha, and 7 € per running meter. Depending on the technical implementation and the various factors mentioned above the acquisition costs (net, auxiliary equipment, first montage) fluctuated between 2.600 €/ha and 15.000 €/ha. The costs of the net amounted on average to 61% of the prime costs. However, as SWD infestation occurs regularly, yield losses in unprotected fruit crops quickly exceed these additional costs.

 

For more details refer to:
Augel, C.; Boehnke, B.; Wichura, A.; Lindstaedt, J.; Wiebusch, J.-H.; Engel, A.; Benz, S.; Saltzmann, J.; Eberhardt, G.; Vogt, H.; Köppler, K. (2020): Demonstration project "Exclusion netting for managing Spotted Wing Drosophila in fruit crops" – Results 2017 – 2019. In: Foerdergemeinschaft Oekologischer Obstbau e.V. (FOEKO) (Hrsg.): Proceedings of the 19th International Conference on Organic Fruit-Growing: from February 17th to February 19th, 2020 at the University of Hohenheim/Germany, 166-169.

https://www.ecofruit.net/wp-content/uploads/2020/04/31_Augel_166-169.pdf

Boehnke, B.; Köppler, K.; Augel, C.; Wichura, A.; Lindstaedt, J.; Wiebusch, J.-H.; Engel, A.; Benz, S.; Vogt, H. (2018). Demonstration project "Exclusion netting for managing Spotted Wing Drosophila in fruit crops" – Results 2017. In: Foerdergemeinschaft Oekologischer Obstbau e.V. - FOEKO [Hrsg.]: EcoFruit: 18th International Conference on Organic Fruit-Growing; Proceedings to the Conference, 19.02. - 21.02.2018 at Hohenheim/Germany, 268-271.

https://www.ecofruit.net/2018/54_Boehnke_268-271.pdf

Boehnke, B.; Köppler, K.; Augel, C.; Wichura, A.; Lindstaedt, J.; Wiebusch, J.-H.; Engel, A.; Benz, S.; Vogt, H. (2019): Demonstration project "Exclusion netting for managing Spotted Wing Drosophila in fruit crops" – Results 2017. In: Linder, C.; Fountain, M.; Prodorutti, D. (Hrsg.): Working Group "Integrated Protection of Fruit Crops", Subgroup "Soft Fruits": Proceedings of the 9th Workshop on Integrated Soft Fruit Production at à Riga (Latvia), 5-7 September 2018 (IOBC WPRS Bulletin 144), Darmstadt, 78-84

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Annual Reports (in German)

Ergebnisbericht 2017 Demonstrationsvorhaben „Einnetzen von Obstkulturen zum Schutz gegen die Kirschessigfliege (Drosophila suzukii)"

Ergebnisbericht 2018 Demonstrationsvorhaben „Einnetzen von Obstkulturen zum Schutz gegen die Kirschessigfliege (Drosophila suzukii)"

Ergebnisbericht 2019 Demonstrationsvorhaben "Einnetzen von Obstkulturen zum Schutz gegen die Kirschessigfliege (Drosophila suzukii)"

Net-Cost calculator

Ergebnisbericht 2020 Demonstrationsvorhaben „Einnetzen von Obstkulturen zum Schutz gegen die Kirschessigfliege (Drosophila suzukii)"

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