بررسی اثرات زیست محیطی نظام تولید فلفل دلمه‌ای با استفاده از تکنیک ارزیابی چرخه حیات (مطالعه موردی: شهرستان دزفول)

نوع مقاله : مقاله پژوهشی

نویسندگان

1 گروه محیط زیست، دانشگاه صنعتی خاتم‌الانبیاء بهبهان، بهبهان، ایران

2 گروه محیط زیست، واحد اهواز، دانشگاه آزاد اسلامی اهواز

چکیده

       ارزیابی چرخه حیات (LCA) رویکردی برای مطالعه اثرات زیست­محیطی تولید محصول یا انجام یک فعالیت است که بر اساس دو شاخص میزان مصرف منابع وانتشارآلاینده­­ها محاسبه می­گردد. این مطالعه با هدف بررسی اثرات زیست­محیطی تولید فلفل دلمه­ای با استفاده از تکنیک ارزیابی چرخه حیات در سال های زراعی 90 تا 96 انجام شد. اطلاعات اولیه از طریق سازمان جهاد کشاورزی و مصاحبه حضوری از بین 260 نفر جامعه آماری، 152 کشاورز که از طریق فرمول کوکران تعیین شد در شهرستان دزفول به دست آمد. به منظور تجزیه و تحلیل اثرات زیست­محیطی، از روش 14040 ISO به ازای یک واحد کارکردی معادل با یک تن فلفل دلمه­ای استفاده شد. گرمایش جهانی، اسیدیته، تخلیه منابع آبی، فسیلی، فسفات و پتاس شش گروه تاثیر مورد مطالعه را تشکیل می­دهند. نتایج نشان داد که آلاینده CO2 و NH3 در قالب گروه های تاثیر گرمایش جهانی واسیدیته درنظام کشت فلفل دلمه­ای بیشترین اثر را داشتند. مقادیرشاخص زیست­­­محیطی (EcoX) و شاخص تخلیه منابع (RDI) به ترتیب 0492/0 و 4806/0 محاسبه شدند. گروه­های تاثیراسیدیته و منابع تخلیه فسفات بترتیب بیشترین پتانسیل آسیب به محیط زیست را درقالب گروه­های تاثیر زیست­محیطی و تخلیه منابع داشتند. بنابراین، مدیریت مصرف کود اوره و جایگزینی بخشی از آن با منابع آلی و غیرشیمیایی در بوم­­نظام­های کشاورزی به منظور کاهش آلودگی­های زیست­­محیطی ایران امری ضروری واجتناب ناپذیراست.
 
 

کلیدواژه‌ها


عنوان مقاله [English]

Evaluating the Environmental Impacts of the Bell Pepper Production System Using the Life Cycle Assessment Technique (Case study: Dezful County (

نویسندگان [English]

  • Nastaran Tadayonpour 1
  • Gholam Reza Sabzghabaei 1
  • Solmaz Dashti 2
چکیده [English]

         Life Cycle Assessment (LCA) is an approach to study the environmental impacts of product production or activities that are calculated based on two indicators of resource consumption and emissions. This study aims to investigate the environmental effects of the production of Bell pepper using The Life Cycle Assessment Technique was conducted during the years 2011-2017. The first information was obtained through the organization of Jihad-e-Agriculture and interviews and interviews from 260 statistical population with 152 farmers who were determined by the Cochran formula in Dezful In order to analyze environmental impacts, the ISO 14040 method was used for a functional unit equivalent to one ton of Bell pepper. The global warming, acidity, evacuation of water resources, fossil, phosphate and potassium comprise six groups of studied effect. The results showed that CO2 and NH3 pollutants in the form of groups of effect of global warming and acidity in the Bell pepper culture system had the highest effect. The values ​​of environmental index (EcoX) and resource depletion index (RDI) were calculated 0.0492 and 0.4806, respectively. The effects of sensitivity and phosphate discharging sources respectively have the highest potential for environmental damage in the group of environmental impacts and Evacuated resources. Therefore, management of the use of urea fertilizer and the replacement of some of it with organic and non-chemical resources in agricultural indigenous peoples in order to reduce the environmental pollution of Iran is indispensable and inevitable.
 

کلیدواژه‌ها [English]

  • Bell Pepper
  • Dezful County
  • Environmental Index
  • Life Cycle Assessment
  • Resource Discharge Indicator
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