Changes in biomass of the species Cupressus arizonica affected by zinc metal

The matter of soil pollution by heavy metals caused to increase of concerns about environment. The present study has been done by the aim of investigation on zinc metal accumulation on cupressus arizonica. To achieving this goal the one-year Cupressus arizonica species seedlings were placed in vases. After the passage of each 55-day time periods from the growth of seedlings, the shoot, root and soil of seedlings were sampled. Results were studied using ANOVA test and Duncan test. The lowest concentration rate of zinc in Cupressus arizonica species organs in the first time period in the shoot and root was 5 g and 1.9 g, respectively and in the second time period in the shoot and root was 2 g and 1.6 g, respectively. Based on the researches, Cupressus arizonica species appropriate for refining zinc metal polluted soils.