the bender-gestalt test was given to thirty mentally-retarded psychiatric patients. the mean, standard deviation, and standard error were 56.73, 26.25, and 4.80 respectively. rotation was the most frequent major deviation which occurred in all the designs. design # 7 was the most difficult one to be reproduced in the sample. this design by itself, was subject to 47% of distortion, 79% of omissi...

two different propagation procedures including aeroponics and soil systems were compared for the minitubers production in potato. the minitubers were evaluated for several quality characters. the plant materials were from three cultivars, agria, marfona and savalan. the plantlets were grown in aeroponics and soil production systems at a plant density of 100 plants per m-2 and stem length, root ...