Effects Different Rates of Nitrogen and Sulphur Application on Canola Yield in North of Khuzestan

Publish Year: 1389
نوع سند: مقاله ژورنالی
زبان: English
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تاریخ نمایه سازی: 4 خرداد 1395


In order to study the effects of nitrogen and sulphur on yield and oil content of canola (Brassica napusL. cv.RGS003), this experiment was conducted in 2007-09 at Safiabad Agricultural Research Centerof Dezful, Iran. The experimental design was a complete randomized block with factorial arrangementof treatments with three replications. Factors included two levels of nitrogen: 180 and 240 kg N ha-1 asUrea and four levels of sulphur: control (S0), 200 kg S ha-1 as sulphur powder inoculated withThiobacillus.sp (S1), 100 kg S ha-1 as ammonium sulphate (S2) and 100 kg S ha-1 as gypsum (S3). Theresults showed that nitrogen had no effect on seed and oil yield, while sulphur affected these traitssignificantly. Interaction of nitrogen and sulphur was not significant on seed and oil yield. The highestseed and oil yield (2182 kg ha-1 and 675 kg ha-1, respectively) were obtained with application of 180kg ha-1 N and 100 kg S ha-1 as ammonium sulphate .


Kamran Mirzashahi

Safiabad Agricultural Research Center, Dezful, Iran

Mohammad Pishdarfaradaneh

Safiabad Agricultural Research Center, Dezful, Iran

Fereidoun Nourgholipour

Soil and Water Research Institute,Tehran, Iran