ploued

See this word as a collocate cloud

up an doun a glaurie	ploued	rigg or she wes fair
tombs the auld lairs is	ploued	up intil riggs the pines
warld whan lotus flouers ir	ploued	doun intil the grund issa
ryde up an doun the	ploued	field the twae brithers syne