مقایسه دو نوع کود آلی همراه با عناصر بر و روی بر برخی خصوصیات رشدی، غلظت و جذب عناصر غذایی ارزن معمولی (Panicum miliaceum L.)

نوع مقاله : علمی - پژوهشی

نویسندگان

چکیده

تأثیر دو نوع کود آلی (کود گاوی و کمپوست زباله شهری) همراه با عناصر بر و روی بر خصوصیات رشدی، غلظت و جذب عناصر غذایی گیاه ارزن (Panicum miliaceum L.) به صورت فاکتوریل در قالب طرح بلوک های کامل تصادفی در شرایط مزرعه در منطقه قاین مورد بررسی قرار گرفت. تیمارهای اصلی شامل کود گاوی و کمپوست زباله شهری (هر کدام در دو سطح صفر و 25 تن در هکتار) و تیمارهای فرعی شامل عناصر روی (صفر و 50 کیلوگرم در هکتار) و بر (صفر و 10 کیلوگرم در هکتار) با سه تکرار بودند. نتایج آزمایش نشان داد که اثر برهمکنش تیمارهای آزمایشی بر وزن ماده خشک، تعداد پنجه و ارتفاع گیاه ارزن معنی دار بود. برهمکنش کود گاوی همراه با عناصر بر و روی بیشترین وزن کل ماده خشک را تولید کرد. غلظت عناصر نیتروژن، آهن، روی، بر و مس گیاه در اثر برهمکنش تیمارهای آزمایشی، نسبت به شاهد به طور معنی داری افزایش یافت. برهمکنش کودآلی همراه با عنصر بر بدون روی، موجب افزایش چشمگیر غلظت بر در شاخساره گیاه گردید، در حالی که برهمکنش کود آلی همراه با عنصر بر و در حضور روی توانست تا حدی غلظت بر گیاه را کاهش دهد. تیمار برهمکنش کود گاوی همراه با روی و بر بیشترین تأثیر را در افزایش جذب عناصر نیتروزن، فسفر، پتاسیم، روی و بر گیاه ارزن نشان داد.

کلیدواژه‌ها


عنوان مقاله [English]

Comparison of two organic fertilizers along with Zn and B elements on concentration, uptake of nutrients and some growth parameters in millet (Panicum miliaceum L.)

نویسندگان [English]

  • T Nezhad hoseini
  • A.R Astaraei
  • R Khorasani
  • H Emami
چکیده [English]

A field experiment was conducted to study the effect of two organic fertilizers along with zinc and boron elements on some growth parameters, concentration and uptake of nutrients in millet (Panicum miliaceum L.) by using factorial based on randomized completely block design with three replications in Qaen region, Iran. The main treatments were municipal solid waste compost and cow manure (each at 0 and 25 t.ha-1) and sub treatments were elements of Zn (0, 50 kg.ha-1) and B (0, 10 kg.ha-1) using their respective ZnSO4 and H3BO3 salts. Results showed that treatments interaction had significant effects on total dry matter yield, number of tillers per plant and plant height of Millet. The highest total dry matter production was achieved by interaction of cow manure along with Zn and B elements. Concentrations of N, Fe, Zn, B and Cu in plant were increased significantly by treatments interaction effects compared to control. Interaction effect of organic fertilizers with B (in the absence of Zn) enhanced plant B concentration significantly, whereas, interaction of organic fertilizers with Zn (in the absence of B) decreased B concentration in plant. The highest plant uptake of N, P, K, Zn, and B was observed in plots with cow manure and Zn and B elements.

کلیدواژه‌ها [English]

  • Cow manure
  • Micro elements
  • Municipal solid waste compost
  • Plant nutrition
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