تأثیر مقادیر مختلف ورمی‌کمپوست به همراه کود نیتروژنه بر عملکرد و درصد اسانس شمعدانی معطر (Pelargonium graveolens L.)

نوع مقاله: مقاله کامل

نویسندگان

1 دانشجوی کارشناسی ارشد، گروه زراعت و اصلاح نباتات، دانشکدۀ کشاورزی، دانشگاه یاسوج، یاسوج، ایران

2 استادیار، گروه زراعت و اصلاح نباتات، دانشکدۀ کشاورزی، دانشگاه یاسوج، یاسوج، ایران

چکیده

به­منظور بررسی و ارزیابی تأثیر کودهای آلی و شیمیایی، آزمایشی صحرایی به­صورت کرت‌های خردشده (اسپلیت پلات) در زمان در قالب طرح بلوک­های کامل تصادفی با هفت تیمار و سه تکرار روی گیاه دارویی شمعدانی معطر (graveolensPelargonium) در منطقۀ فهلیان، شهرستان نورآباد ممسنی، از توابع استان فارس، اجرا شد. تیمارهای آزمایش شامل شاهد (بدون کاربرد کود و ورمی‌کمپوست)، 200 کیلوگرم نیتروژن، 4 تن ورمی‌کمپوست به­همراه 160 کیلوگرم نیتروژن، 8 تن ورمی­کمپوست به­همراه 120 کیلوگرم نیتروژن، 12 تن ورمی­کمپوست به­همراه 80 کیلوگرم نیتروژن، 16 تن ورمی­کمپوست به­همراه 40 کیلوگرم نیتروژن و 20 تن ورمی‌کمپوست در هکتار بودند. صفات مورد ارزیابی شامل ارتفاع بوته، شمار شاخۀ جانبی، عملکرد زیستی، عملکرد سرشاخه، درصد اسانس، عملکرد اسانس و شاخص برداشت بودند. نتایج نشان داد، تأثیر برداشت و کود برای همۀ صفات به‌جز شاخص برداشت معنی‌دار بود. اثر متقابل برداشت و کود تنها بر صفات عملکرد زیستی و عملکرد اسانس معنی­دار بود. مقایسۀ میانگین­ها نشان داد، برداشت دوم از نظر همۀ صفات نسبت به برداشت اول برتری داشت و ﻃﻲ دو برداشت آزﻣﺎﻳﺶ، ﻛﺎرﺑﺮد ورمی‌کمپوست ﻣﻨﺠﺮ ﺑﻪ اﻓﺰاﻳﺶ صفات مورد بررسی ﻧﺴﺒﺖ ﺑﻪ ﺷﺎﻫﺪ شد. تیمار20 تن در هکتار ورمی­کمپوست و ﭘﺲ از آن ﺗﻴﻤﺎر ﺗﻠﻔﻴﻘﻲ 16 تن در هکتار ورمی‌کمپوست به­همراه 40 کیلوگرم در هکتار نیتروژن ﺑﻴﺸﺘﺮﻳﻦ ﺗأﺛﻴﺮ را در اﻓﺰاﻳﺶ ﺻﻔﺎت ﻣﻮرد نظر داشتند.

کلیدواژه‌ها


عنوان مقاله [English]

Effect of different level of vermicompost and nitrogen fertilizer on yield and essential oil content of geranium (Pelargonium graveolens)

نویسندگان [English]

  • Parvin Rostampour 1
  • Amin Salehi 2
  • Reza Amiri Fahliani 2
  • Amin Mirshekari 2
1 M.Sc. Student, Department of Agronomy and Plant breeding, Faculty of Agriculture, Yasouj University, Yasouj, Iran
2 Assistant Professor, Department of Agronomy and Plant breeding, Faculty of Agriculture, Yasouj University, Yasouj, Iran
چکیده [English]

In order to study the effect of organic and chemical fertilizers, a field experiment was carried outby using of split plot based on randomized complete block design with seven treatment and three replications ongeranium (Pelargonium graveolens), in Fahlian, Nourabad, Fars province territory. Treatments concluded control (no fertilizer and vermicompost), pure nitrogen (200 kgh-1), vermicompost 4 th-1 with 160 kgh-1 nitrogen, vermicompost 8 th-1 with 120 kgh-1 nitrogen, vermicompost 12 th-1 with 80 kgh-1 nitrogen, vermicompost 16 th-1 with 40 kgh-1 nitrogen and pure vermicompost (20 tonh-1). Traits assessed include: plant height, number of lateral branches, biologic yield, branches yield, essential oil percentage, essential oil yield and harvest time. Results indicated significant effect of fertilizer treatments and harvesting time on all traits except harvest time. Theintraction of harvesting time and fertilizer was only significant on biological yield and essential oil yield. The mean comparision showed that all traits were higher in the secend harvest compared to the first one. In two harvests organic fertilizer leading to increase studied traits compared to the control treatment. Application of 20 th-1 vermicompst and after that, treatment of 16 th-1 vermicompost with 40 kgh-1 nitrogen had the highest effect in increasing studied traits.

کلیدواژه‌ها [English]

  • Element (N
  • P
  • K)
  • geranium
  • Harvest
  • Organic fertilizer
  • Urea
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