NAKAMOZU, Osaka, Oct. 12 - By garnering a 2-1 victory over the Taikyu Middle squad (Wakayama) in the finals, the Sanbongi Agricultural team from Aomori prefecture won the 25th National Secondary School Sumo Tourney, which wound up at the local sumo ring here today after a two-day competition.
    The Kochi Agricultural team, winner in the 1946 tournament, was beaten in the semi-finals, but took third place by whitewashing the Kagoshima Municipal Middle aggregation 3 to 0.