Effect of micronutrients application on yield and yield components of soybean

Kobraee, Soheil; Shamsi, Keyvan; Rasekhi, Behrooz
April 2011
Annals of Biological Research;2011, Vol. 2 Issue 2, p476
Academic Journal
In order to investigate the effects of micronutrients on yield and yield components in soybean (Cv. Williams), an experiment was conducted in a factorial based on randomized complete block design with three replications at research farm, Islamic Azad University of Kermanshah at 2009. Treatments includes: three level of Zn (0, 20, 40kg , Fe(0, 25, 50kg , and Mn(0, 20, 40kg , of source ZnSO4, FeSo4 and MnSO4. The end of growth stage and harvesting time, the grain yield and yield components were determined. Analysis of variance was showed that main effects Zn, Fe and Mn on number of pod per main stem, sub stem and plant; number of seed per sub stem, plant and grain yield were significant at 1% level, but number seed per main stem was unaffected. The different levels of zinc and manganese fertilizer had a significant effect (P<0.01) and Fe (P<0.05) on 100 weight per sub stem. Number pod per sub stem, number seed per main stem and plant; 100 weight per main stem, sub stem and plant affected by interaction Zn, Fe and Mn (P<0.01). The highest grain yield was obtained by applying 40kg/ha Znso4, 50 kg/ha Feso4 and 40 kg/ha Mnso4.


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