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تأثیر مقادیر مختلف عناصر ازت، فسفر و پتاس بر پروفیل اسیدچرب، درصد روغن و عملکرد دانه کتان روغنی | ||
| به زراعی کشاورزی | ||
| مقاله 18، دوره 23، شماره 2، تیر 1400، صفحه 443-452 اصل مقاله (440.11 K) | ||
| نوع مقاله: مقاله پژوهشی | ||
| شناسه دیجیتال (DOI): 10.22059/jci.2021.310991.2457 | ||
| نویسنده | ||
| کمال سادات اسیلان* | ||
| دانشیار، گروه کشاورزی، دانشگاه پیام نور، تهران، ایران. | ||
| چکیده | ||
| به‌منظور بررسی اثر عناصر نیتروژن، فسفر و پتاسیم بر پروفیل اسیدهای چرب، درصد روغن، عملکرد دانه و روغن گیاه کتان، رقم Lirina، آزمایشی در سال 1398 به‌صورت فاکتوریل در پایه طرح بلوک‌های کامل تصادفی با سه تکرار در مزرعه تحقیقاتی واقع در هشتگرد، استان البرز اجرا شد. تیمارهای مورد بررسی مقادیر نیتروژن خالص شامل 30، 60 و 90 کیلوگرم در هکتار از منبع اوره (46 درصد نیتروژن)، مقادیر فسفر خالص شامل ۴۰، 80 و 120 کیلوگرم در هکتار از منبع سوپر فسفات تریپل (46 درصد فسفر) و مقادیر پتاسیم خالص 40، 80 و 120 کیلوگرم در هکتار از منبع سولفات پتاسیم (۵۰ درصد پتاسیم) بود. نتایج نشان داد بیش‌ترین مقدار اسید لینولنیک (99/43 درصد) و اسید لینولئیک (68/17 درصد) و اسید پالمتیک (02/6 درصد) با کاربرد 30 کیلوگرم در هکتار کود نیتروژن و 40 کیلوگرم در هکتار کود فسفر حاصل شد. بیش‌ترین مقدار اسید اولئیک (49/27 درصد) و اسید استئاریک (25/5 درصد) با مصرف 30 کیلوگرم در هکتار کود نیتروژن به‌دست آمد. بالاترین عملکرد دانه در هکتار (28/2384 کیلوگرم در هکتار) و عملکرد روغن (19/939) به‌ترتیب با مصرف 90، 120 کیلوگرم در هکتارنیتروژن و فسفر حاصل شد. البته این ترکیب کودی اختلاف معنی‌دار آماری با ترکیب کودی 90 و 80 کیلوگرم در هکتار نیتروژن و فسفر نشان نداد. هم‌چنین براساس نتایج حاصل از این پژوهش درصد روغن تحت تأثیر مقادیر کودی قرار نگرفت. | ||
| کلیدواژه‌ها | ||
| اسید لینولنیک؛ تغذیه گیاهی؛ دانه‌های روغنی؛ سطوح کودی؛ عملکرد روغن | ||
| عنوان مقاله [English] | ||
| Influence of Different Levels of Nitrogen, Phosphorus, and Potassium on the Profiles of Fatty Acids, Oil Content, and Yield of Flax | ||
| نویسندگان [English] | ||
| Kamal Sadat Asilan | ||
| Associate Professor, Department of Agriculture, Payame Noor University, Tehran, Iran. | ||
| چکیده [English] | ||
| In order to investigate the effect of nitrogen, phosphorus, and potassium elements on fatty acid profiles, oil percentage, grain yield, and flax seed oil, Lirina cultivar, a factorial experiment has been conducted during 2019, based on a randomized complete block design with three replications in Hashtgerd research farm, Alborz Province. It has employed a factorial arrangement in a randomized complete block design with three replications with the factors involving three levels of nitrogen fertilizers (N1=30, N2=60, and N3=90 Kgha-1, three levels of phosphorus fertilizers (P1=40, P2=80, and P3=120 Kg.ha-1), and three levels of potassium fertilizers (K1=40, K2=80, and K3=120 Kg.ha-1). Result show that the highest amount of linolenic acid (43.99%), linoleic acid (17.68%), and palmitic acid (6.02%) have occurred in 30 kg. ha-1 nitrogen and 40 kg.ha-1 phosphorus. The highest amount of oleic acid (27.49%) and stearic acid (5.25%) belong to 30 kg.ha-1 phosphorus. Based on the results, the highest amount of grain yield (2384 kg.ha-1) and oil yield (939 kg.ha-1) are recorded in 90 and 120 kg.ha-1 nitrogen and phosphorus, respectively. Therefore, according to the results, different levels of fertilizer on percentage of oil has had no significant effect. | ||
| کلیدواژه‌ها [English] | ||
| Fertilizer levels, Linoleic acid, Plant nutrition, oilseeds, oil yield | ||
| مراجع | ||
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