(.Effect of different rates and application times of nano-iron on yield and yield components of canola (Brassica napus L

پژوهشهای زراعی ایران

Article 15, Volume 12, Issue 4 - Serial Number 36, January 2015, Pages 805-812   

Document Type: Research Article

DOI: 10.22067/gsc.v12i4.27090

Authors

F Bayati^* ; A Aynehband; E Fateh

Shahid Chamran University of Ahvaz

Abstract

In order to study the effect of nano- iron fertilizer, a field experiment was conducted at 2012-13 in Agriculture Faculty of Shahid Chamran University of Ahvaz. Experimental design was factorial based of RBC with 3 replications. Frist factor including 5 different iron concentrations and second including 3 spraying times. Yield and yield component of canola were calculated. Our result showed that applying Iron fertilizer vs. not applying, use of nano-iron vs. regular iron and time of spraying had significant effect on yield and yield component of canola. Among treatments, applying 6 g/L nano-iron had highest (4.3 t/ha) grain yield that due to both better pod per plant and 1000-grain weight. Also, earlier spraying had better effect on grain yield than delaying in spray. Iron concentration in grain improved with increasing in iron concentration in fertilizer. In conclusion, we find that canola is a sensitive crop to deficit of iron. Therefore, using nano-iron in higher concentration have a positive effect on grain yield and oil content.

Keywords

Micro nutrient; Iron content; Oil percent; grain yield; Nano fertilizer

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