Table 2 Crop rotation and main management activities over the course of the field trial. Years and main information refer to Trial_I. Any management adjustments in Trial_II, which started one year later, are indicated in the footnotes. Data availability shows which data of main crop yield and yield estimation of cover crops was available (√) or not available (-) and was estimated. A more detailed description is provided in Supplementary Table S2 and is given by Bilibio et al.¹⁸.

Year	Type	Crop	Main activity	Organic amendment	Data availability
2012	Cover crop	Grass clover	Mulching		-
2012			Fertilization	Compost
2013	Main crop	Winter wheat	Harvest; straw harvest and stubble incorporation		√
2013	¹Cover crop	Bristle oat, oilseed radish; winter vetch	Incorporation		√
2014			Fertilization	Compost
2014			Mulch application	²Rye-pea mulch
2014	Main crop	Potato	Harvest		√
2015	Main crop	Silage rye	Harvest		√
2015	Cover crop	Berseem clover	Mulching		-
2016	Main crop	Triticale	Harvest; straw and stubble incorporation		√
2017	³Main crop	Winter wheat	Harvest; straw harvest and stubble incorporation		³√
2017			Fertilization	Compost
2018	Cover crop	Vetch triticale	Incorporation		√
2018			Fertilization	Compost
2018			Mulch application	Vetch triticale mulch
2018	Main crop	Potato	Harvest		√
2019	⁴Cover crop	Rye	Incorporation		-
2019	⁵Cover crop	Summer wheat	Mulching		√
2020	⁶Cover crop	Grass clover	Mulching		√
2020					-
2020			Fertilization	Compost

¹Cover crops were adjusted (various).
²Mulch material was changed: vetch-triticale mulch.
³Winter crop was mulched in spring and a cover crop was introduced; no main crop yield data available.
⁴Winter rye was kept as main crop.
⁵Winter rye was harvested as main crop: main crop yield data available.
⁶Cover crop was adjusted (vetch-triticale), second cover crop (various).
Main crops and related activities are in [bold].

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