摘要:Optimal germination and plant establishment is an important problem for agricultural productivity in arid and semi-arid areas. Priming is an approach for increasing plant establishment in undesirable conditions. In order to evaluate effects of different levels of humic acid and salicylic acid on root and shoot development of Lens culinaris Medik, an experiment was conducted in 2012 at Faculty of Agriculture, Ferdowsi University of Mashhad. Results showed that humic acid and salicylic acid significantly improvement factors under salinity. All salinity levels decreases the all factors. The results of this study reveal that various concentrations of SA and HU had significant effects on germination percentage and radicle