The experiment was conducted in a private farm during 2000/2001 and 2001/2002 agricultural seasons , to study the effect of plant spacing and cutting of tuber on growth and yield of potato (Desiree cultivar) . The experiment included 6 treatments , which were the combination between two plant spacing (30 and 15 cm between hills) and three treatments of tuber cutting , (Complete tuber , cutting into two parts and cutting to four) . The six treatments were arranged in randomized complete block design with three replicates