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Effect of Application Methods of Iron on Nitrogen Fixation Efficiency in Alfalfa (Medicago sativa L. ) | ||
| basrah journal of science | ||
| Article 1, Volume 25, Issue 1, 2007, Pages 44-58 PDF (0 K) | ||
| Authors | ||
| Almukhtar M. M; Al-Ansary A. S; Huthily K.H | ||
| Abstract | ||
| A laboratory experiment was carried out to investigate the effect of different levels of iron ( 0 , 0.05 , 0.10 mmole ) applied by different methods (with nutrient solution , foliar spray and seed treatment ) on the efficiency of alfalfa Rhizobium (Rhizobium meliloti ) and nitrogen fixation in alfalfa (Medicago sativa L. ) which was sown in sand culture . Plants were inoculated by bacterial inoculums prepared in laboratory from the root nodules of private alfalfa plants. The results showed that addition of 0.10 mmole Fe caused a significant increase in most of studied parameters . The increase were 282 , 109 , 93 and 22 % in nodule number , C2H2 reduction , nitrogen uptake and shoot dry weight respectively . The addition of Fe by seeds treatment gave the highest values for most parameters. The interaction between Fe levels and their application methods resulted in a significant effect on C2H2 reduction , N concentration , N uptake , and shoot dry matter | ||
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