How Does Nitrogen and Irrigation Change the Productivity of Salicornia europaea in Saline Soil?
سال انتشار: 1394
نوع سند: مقاله ژورنالی
زبان: انگلیسی
مشاهده: 47
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شناسه ملی سند علمی:
JR_JJMPB-4-2_003
تاریخ نمایه سازی: 6 آذر 1402
چکیده مقاله:
Glasswort(Salicornia europaea L.) as an important halophyte plant is capable to accumulate NaCl in aboveground part (fully edible) in considerable quantity. To evaluate the effect of irrigation levels and nitrogen fertilizer on the yield of seed and oil, and also harvest index of Glasswort, a split plot experiment was conducted based on randomized complete block design with three replications at the Lake Urmia marginal in ۲۰۱۲. Treatments were irrigation regimes (irrigation after ۲۰, ۴۰, ۸۰ and ۱۲۰ mm of evaporation from a Class A pan) as main plot and amount of nitrogen spraying (۰, ۵, ۱۰, ۱۵, ۲۰ percent of Urea (V/V) as sub plot. Results indicated the significant interaction effect between irrigation and nitrogen on the yield of seed and oil, biological yield and harvest index of seed and oil. In well irrigated plants (irrigation after ۲۰ mm evaporation), higher concentration of nitrogen spraying up to ۱۰% caused to raise the yield of seed and oil, and biological yield. These yields were raised up by application of ۱۵% nitrogen and then they were decreased. A significant increasing of yield (seed and oil) was observed at ۱۵% of nitrogen spraying for the mild and mid (irrigation after ۴۰ and ۸۰ mm evaporation, respectively) water deficit stress. In conclusion, we found the foliar application of nitrogen (low environmental contamination) benefit for Glasswortproduction, but in different optimum amount for each irrigation interval.
کلیدواژه ها:
نویسندگان
Toran Nasiri
Department of Agronomy, Faculty of Agriculture, Urmia University, Urmia-Iran
Alireza Pirzad
Department of Agronomy, Faculty of Agriculture, Urmia University, Urmia-Iran
Jalal Jalilian
Department of Agronomy, Faculty of Agriculture, Urmia University, Urmia-Iran
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