Cadmium is a toxic and non essential element for plants and its high concentration in soil can reduce yield quantity and quality of the agricultural crops. In order to evaluate the effects of biological fertilizers on yield, growth indices and macro nutrients contents of shoot and root of tomato under cadmium stress, a factorial experiment with completely randomized design was conducted. Factors investigated were levels of soil cadmium and the kinds of biological fertilizers used to inoculate tomato plant. Six levels of soil cadmium 0,5,10,20,40 and 80 mg Cd/kg soil and two combinations of biological fertilizers plus the control (without fertilizer) comprised the experimental treatments.. First combination (M1) was Azotobacter bacteria+mycorrhizal fungi (VAM) +Azospirillum bacteria and the second combination (M2) included plant growth promoting rhizobacteria (PGPR) + Azospirillum + mycorrhizal fungi (VAM). The results showed that application of biological fertilizers increased yield, growth indices and concentration of macronutrients(…) in root and aerial part of the tomato plant when compared with the control. The second combination of the biological fertilizer (M2) was more effective in this respect than the first one (M1). The yield and growth indices of tomato plant decreased as the levels of soil cadmium increased. I Inoculation of tomato plant with biological fertilizers decreased the harmful effect of cadmium.
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Nemati, A., & golchin, A. (2014). Effects of Biological Fertilizers on Yield, growth Indices and Concentration of Macronutrients in Tomato under Cadmium Stress. Journal of Sol Biology, 1(2), 145-157. doi: 10.22092/sbj.2014.128414
MLA
A. Nemati; ahmad golchin. "Effects of Biological Fertilizers on Yield, growth Indices and Concentration of Macronutrients in Tomato under Cadmium Stress". Journal of Sol Biology, 1, 2, 2014, 145-157. doi: 10.22092/sbj.2014.128414
HARVARD
Nemati, A., golchin, A. (2014). 'Effects of Biological Fertilizers on Yield, growth Indices and Concentration of Macronutrients in Tomato under Cadmium Stress', Journal of Sol Biology, 1(2), pp. 145-157. doi: 10.22092/sbj.2014.128414
VANCOUVER
Nemati, A., golchin, A. Effects of Biological Fertilizers on Yield, growth Indices and Concentration of Macronutrients in Tomato under Cadmium Stress. Journal of Sol Biology, 2014; 1(2): 145-157. doi: 10.22092/sbj.2014.128414