unstubblingn.
Etymology: Previous versions of the OED give the stress as: unˈstubbling.
the world > food and drink > farming > cultivation or tillage > reclamation > [noun] > clearing land > clearing of stubble
1778 W. Marshall Digest 85 General reflections on Unstubbling.
This entry has not yet been fully updated (first published 1926; most recently modified version published online June 2019).