Location
Kleinholbach in the Westerwald
weather
Test plot Hahn
Soil: uL; pH 6.1 to 6.2; Supply levels phosphorus C, potash D; Organic matter 3.1% to 3.5%
Undersowing: dwarf white clover, variety Aberlasting; fall 2019 seeder 6 kg/ha; spring 2020 harrow 5 kg/ha.
Crop rotation: Field bean "Fuego" (2019/20) - Winter wheat "Reform" (2020/21) - Spring oat "Max" (2022) - Winter wheat "Chevignon" (2022/2023)
Special try question 2020/21: How does the cultivation system react to different N fertilization levels?
Special try question 2021/22: How does spring grain become established in this cultivation system?
Special try question 2022/23: How quickly and to what extent does the clover in wheat regenerate in the oats after extensive herbicide treatment in the previous year?
Test plot Heide
Soil: huL; pH 5.9 to 6; Supply levels phosphorus A, potash E; Organic matter 4.0% up to 5.1%
Undersowing: dwarf white clover, variety Aberlasting; Autumn 2019 seeder 6 kg/ha; Spring 2020 harrow 5 kg/ha
Crop rotation: spring barley "Avalon" (2019/20) - winter barley "Galileoo" (2020/21) - winter rape "PT 303" (2021/22) - winter wheat "Character" (2022/2023)
Special try question 2020/21:What is the best fungicide strategy?
Special try question 2021/22: Is it possible to establish oilseed rape as the main crop in this special cultivation system?
Special try question 2022/23: Which active ingredients allow a combination of herbicide treatment and regulation of permanent undersowing?
Test plot Neubitz
Soil: huL; pH 6.7; Supply levels phosphorus C, potash E; Organic matter 4.6% to 5.0%
Undersowing:dwarf white clover, variety Aberlasting; Autumn 2019 seeder 6 kg/ha; Spring 2020 harrow 5 kg/ha; Spring 2021 seeder 5 kg/ha
Crop rotation:Winter wheat "Reform" (2019/20) - Field bean "Tiffany" (2020/21) - Winter wheat "Character" (2021/22) - Spring barley "Sort" (2023)
Special try question 2021/22: Which herbicide treatments are possible with wheat in the living mulch system?
Special try question 2022/23: Which treatments can best be used to regulate clover, which grows strongly in spring?