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Paper Information

Journal:   CROP PHYSIOLOGY   summer 2018 , Volume 10 , Number 38 #f00663; Page(s) 23 To 37.

Application of micronutrient elements on quantitative and qualitative yield of rapeseed under drought tension conditions

Author(s):  PAYANDEH KHOSHNAZ*, MOJDAM MANI, derogar nazli
In order to investigate the effect of micronutrients elements application on qualitative and quantitative yield of rapeseed in drought tension conditions, the present research was conducted in Hamidieh in 2017-18 as split plots in a randomized complete blocks design with four replications. The experimental treatments included drought tension in two levels of optimal irrigation, irrigation cut off at the slaughter stage in the main plots and foliar application of complete fertilization of micronutrient in four levels including non-foliar application (control), and foliar application with two concentrations two in one thousand, four in one thousand liters, six in one thousand (cc in liters) were in sub plots. The results showed that the effect of drought tension and foliar application of micronutrient elements was significant on grain yield, seed number per pod, one-thousand seed weight, oil percentage and oil yield. The highest grain yield in optimal irrigation treatment (with an avearge of 3110. 7 kilogram per hectare) and the lowest grain yield (with an average of 2280. 22 kilogram per hectare) was allocated to irrigation cut treatment at slaughter stage. The results showed that with increase in the levels of micronutrient elements foliar application; grain yield, oil percentage and oil yield increased. Most of these traits were obtained from optimal irrigation and spraying of six per thousand, which did not have significant difference with treatment of four per thousand. The most grain yield (with an average of 3290. 4 kilogram per hectare) was obtained in optimum irrigation treatment and foliar application of four per one thousand. In general, it can be stated that in order to achieve the maximum quantitative and qualitative yield in arid and semi-arid soils, irrigation should be done at all stages of growth, especially in the reproductive stage, so rapeseed can be planted or foliar application of micronutrient elements at four per one thousand is recomended.
Keyword(s): Oil percentage,Grain yield,Irrigation and Oil yield
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