ارزیابی وضعیت کهنگی تراکتورها و توان تعمیراتی در کشاورزی استان خوزستان به کمک AHP و GIS

نوع مقاله: مقاله پژوهشی

نویسندگان

1 دانشگاه علوم کشاورزی و منابع طبیعی خوزستان

2 عضو هیات علمی دانشگاه علوم کشاورزی و منابع طبیعی خوزستان

چکیده

کهنه بودن تراکتورهای کشاورزی یکی از بزرگترین چالش­های پیش روی بخش کشاورزی ایران به شمار می­رود که سبب کاهش سطح مکانیزاسیون می­گردد. در این راستا در این مطالعه وضعیت سن ناوگان تراکتوری و توان تعمیراتی استان خوزستان بررسی شد. بدین منظور تراکتورهای موجود به کمک نرم­افزار ArcGIS در دو رده با عمر کمتر و بیشتر از 13سال پهنه‏بندی شدند. با توجه به بالا بودن تعداد تراکتورهای فعال با عمر بیش از 20 سال پهنه­بندی این تراکتورها نیز در سطح استان انجام شد. میزان ضریب کهنگی عمر تراکتورهای هر شهرستان محاسبه شد و دلایل بهره‏برداری از تراکتورها با عمر کهنگی به کمک روش AHP مورد بررسی قرار گرفت. با استفاده از آنتروپی اطلاعات یک شاخص ترکیبی تحت عنوان توان تعمیراتی ارائه و شهرستان­های استان بر مبنای آن رتبه­بندی شدند. نتایج نشان دادند که بیشترین تعداد تراکتورهای با عمر بالای 13 سال به نیمه شمالی استان و دو شهرستان­ اهواز و هندیجان تعلق دارد. بالاترین ضریب کهنگی به شهرستان­ باغملک تعلق داشت و از بین دلایل مورد بررسی، پایین بودن تمکن مالی کشاورزان بالاترین اولویت را در به کارگیری تراکتورهای با عمر بالای 13 سال توسط کشاورزان داشت. مقدار شاخص توان تعمیراتی محاسبه شده نشان‏دهنده ضعیف بودن توان تعمیراتی در استان می­باشد. بین ضریب کهنگی و توان تعمیراتی رابطه­ای مشاهده نشد و تنها با تعداد تعمیرکار به عنوان یکی از زیرمعیارهای شاخص توان تعمیراتی همبستگی منفی مشاهده شد.

کلیدواژه‌ها

موضوعات


عنوان مقاله [English]

Investigation of Aging Status of Tractors and Repair Power in Agriculture Khuzestan Province Using GIS and AHP

نویسندگان [English]

  • athena keshvari 1
  • afshin marzban 2
1 Agricultural Sciences and Natural Resources University of Khuzestan
2 Agricultural Sciences and Natural Resources University of Khuzestan
چکیده [English]

Aging tractors is one of the biggest challenges facing the Iranian agricultural sector which reduces the level of mechanization level. In this regard, the aging status of tractor fleet and repair power of Khuzestan province was investigated. For this purpose, existing tractors were zoned in two categories less and more than 13 years old, using ArcGIS software. Due to the high number of active tractors with more than 20 years of life, these tractors were zoned across the province. Aging factor of tractors was calculated for each individual county and the reasons for using old tractors were investigated using AHP method. A combined index entitled repair power was designed using information entropy and the counties of Khuzestan province were ranked based on that. Results showed that the largest number of tractors with over 13 years of age belonged to Ahwaz and Hendijan counties. Highest aging factor belonged to Bagh-e Malek County. Low financial ability of farmers was identified as the most important reason for using tractors over 13 years of age. The value of calculated repair power index indicates weak repair power in Khuzestan province. There is no correlation between aging factor and repair power, but aging factor had negative correlation with the number of repairman, a criterion of repair power index.

کلیدواژه‌ها [English]

  • information entropy
  • distribution of tractors age
  • zoning
  • aging factor
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