OK, here's a headline at CNN this morning: U.S. bids to allay Japan beef row
A 'row' in this sense is defined as 'a noisy, contentious quarrel' or 'a dispute' or 'a loud noise'. To allay means to diminish, reduce, relieve, or silence. One can allay fears, suspicions, worries, or tensions. One could avoid, silence, or stop a row.
One cannot allay a row.