WOSR share of arable by county (NUTS3). Drag the year — a field mapped as rape in year Y was drilled the previous autumn.
Mapped (bars) vs official Eurostat (line). Same 2019 collapse, 2023/25 peaks — r = 0.964.
% of WOSR-field area. Cereal break-crop slot: 91% cereal before, 60% back to wheat after.
On rape-prone fields: spring-crop share (bars) vs WOSR (line). 2019 spikes above median = autumn-2018 drought re-sow. Upper bounds.