ABSTRAC The research entitled the effect of concentration and submersion time at HCl on Growth seedling of tomato (Lyco- persicum esculentum, Mill.) on 206 of variety had been carried out in May 11th, 1999 to July 13th, 1999. The re- search was in Balai Benih Induk (BBI) Hortikultura Salaman, Magelang Regency. The type of soil is latosol, pH 6,0. The altitude is 296 meters. The m…