"Umahang Communal" . . "open-field farming" . "open-field" . "open fields" . "strip field" . "open field system" . "strip farming" . "Open field" . "open field" . "open-field system" . "Open-field system" . "field strips" . . "complex of strip plots" . "strip" . "arable farmers" . "strip fields" . . . "communal ownership" . "Open-field system" . "arable strips" . "Open-field" .