an experiment was conducted to study the effects of different concentrations of silver thiosulfate (sts) (0.25, 0.5, 1 and 2 mm), sucrose (2.5, 5, 7.5 and 10 %), humic acid (100, 500, 1000, 5000 and 10000 ppm) and banzyl adenine (5, 10, 20 and 40 ppm) on vaselife of cut ‘tempo’ carnation flowers. the experiment was arranged in a compeletly randomized design. the results of means comparison indi...