اثر کاربرد لجن فاضلاب بر غلظت عناصر کم مصرف خاک و جذب آنها به‌وسیله گیاه دارویی گاوزبان

نوع مقاله: مقاله پژوهشی

نویسندگان

1 دانشجوی کارشناسی ارشد مهندسی علوم خاک، دانشکده کشاورزی، دانشگاه علوم کشاورزی و منابع طبیعی، ساری

2 استادیار گروه مهندسی علوم خاک، دانشکده کشاورزی، دانشگاه علوم کشاورزی و منابع طبیعی، ساری

3 دانشیار گروه مهندسی علوم خاک، دانشکده کشاورزی، دانشگاه علوم کشاورزی و منابع طبیعی، ساری

چکیده

به‌منظور بررسی تأثیر لجن فاضلاب بر میزان عناصر کم مصرف خاک و جذب آنها در اندامهای گیاه دارویی گاوزبان، آزمایشی در قالب طرح کرتهای خرد شده در سه تکرار، شش تیمار کودی و شش تیمار سال در مزرعه پژوهشی دانشگاه کشاورزی ساری انجام گردید. تیمارهای کودی شامل: دو سطح 20 و 40 تن در هکتار از لجن فاضلاب، تلفیقی از لجن فاضلاب و کود شیمیایی، کود شیمیایی، شاهد و سالهای مصرف به‌صورت: سال 85 ، سال 85 و88 ، سال 85 و86 ، سال85، 86 و 88 ، سال 85 تا 87 و سال85 تا 88 کود خورده بودند. نتایج نشان داد که تیمارهای کودی بر میزان جذب این عناصر در خاک، برگ و گل گیاه دارای اثر معنی‌دار بود. سالهای مصرف کود نیز در همه موارد به‌جز میزان جذب روی و منگنز در برگ گیاه دارای اثر معنی‌دار بود. اثرات متقابل تیمارهای سال و کود در خاک بر میزان غلظت تمامی عناصر کم مصرف به‌جز منگنز معنی‌دار بود در حالی که در برگ گیاه فقط بر میزان جذب آهن و مس اختلاف معنی‌دار داشت. این اثر در گل گیاه نیز بر میزان جذب منگنز و مس اثر معنی‌دار نشان داد که باعث افزایش تقریباً بیش از دو برابر غلظت این عناصر در اندامهای گیاهی شد.

کلیدواژه‌ها


عنوان مقاله [English]

The Effect of Sewage Sludge Application on the Amount of Microelements in Soil and Absorption in Medicinal Plant Borage (Borago Officinalis eL.)

نویسندگان [English]

  • Zahra Ahmad Abadi 1
  • Mehdi Ghajar Sepanlou 2
  • Mohammad Ali Bahmanyar 3
1 M. Sc. Student of Soil Sciences Eng., Colledge of Agriculture, Agriculture Sciences and Natural Resources University, Sari
2 Assist. Prof. of Soil Sciences Eng., Colledge of Agriculture, Agriculture Sciences and Natural Resources University, Sari
3 Assoc. Prof. of Soil Sciences Eng., Colledge of Agriculture, Agriculture Sciences and Natural Resources University, Sari
چکیده [English]

In order to investigate the effect of Sewage Sludge (SS) application on  the amount of micro elements in soil and absorption of these elements in plant organs of medicinal plant borage (Borago Officinalis), an experiment was carried out in split plot based on complete randomized block design in three replications in the field of the University of Agricultural of Sari. fertilizer treatments were two leves 20 and 40 tons per hectare of  sewage sludge, mix SS and fertilizer, fertilizer and control and years of consumption were inclusive: (1385), (1385 and 1387), (1385 and 1386), (1385, 1386, 1388), (1385, 1386 and 1387) and (1385, 1386, 1387 and 1388). The results of the study showed that fertilizer treatments, on the amount of absorbent micro-elements in the soil , leaves and petal of plant were significant. The years of fertilzer consumption on the all of the cases except amount of Zn and Mn absorbent in leaves of plant had a significantly effect. The interaction between years of consumption of fertilizers and fertilizer treatments on concentration of all of micro-element except Mn in the soil were significant, in the leaves had a significantly effect on the amount of Fe and Cu absorbent only and in the petal showed significant effect on the amount of Mn and Cu absorbent

کلیدواژه‌ها [English]

  • sewage sludge
  • Fertilizer Micro Elements
  • Borage
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