تحلیل انرژی تولید هندوانه تحت سیستم کشت زیر پلاستیک و فضای باز با روش DEA در خوزستان

نوع مقاله : مقاله پژوهشی

نویسندگان

1 دانشگاه کشاورزی و منابع طبیعی خوزستان

2 استادیار-دانشگاه کشاورزی و منابع طبیعی رامین خوزستان

3 استاد دانشگاه کشاورزی و منابع طبیعی رامین

4 استادیار دانشگاه کشاورزی و منابع طبیعی رامین خوزستان

چکیده

روش تحلیل پوششی داده‏ها برای تحلیل مزارع کارا، تعیین مزارع کارا از ناکارا و شناسایی مصرف بیهوده انرژی برای تولیدکنندگان هندوانه در منطقه خوزستان استفاده شد. داده‏ها با استفاده پرسشنامه حضوری از 125 تولیدکننده هندوانه جمع‏آوری شد. نتایج نشان داد که کل انرژی ورودی در دو سیستم زیر پلاستیک و فضای باز هندوانه به‌ترتیب 64/39 و 92/38 گیگاژول بر هکتار بود. بیشترین سهم از کل انرژی ورودی در بین نهاده‌ها در سیستم زیر پلاستیک، پلاستیک با 34، کود شیمیایی با 22 و سوخت دیزل با 17 درصد بودند. در حالی‏که در سیستم فضای باز بیشترین سهم از نهاده‏ها برای سوخت دیزل، کود شیمیایی و آب آبیاری به‏ترتیب با مقادیر 37، 27 و 14 درصد از انرژی مصرفی کل بود. متوسط مقادیر کارایی فنی خالص و کارایی فنی در تولید هندوانه در سیستم زیر پلاستیک به ترتیب به ترتیب 98/0 و 82/0 بودند. در تولید هندوانه در سیستم فضای باز به‏ترتیب این مقادیر 98/0 و 76/0 محاسبه شد. همچنین، نتایج نشان داد که اگر تولیدکننده از بسته پیشنهادی توسط DEA پیروی کند؛ به‏ترتیب تقریباً 69/4 و 21/10 گیگاژول بر هکتار در سیستم‏های تولید هندوانه در زیر پلاستیک و فضای باز در همه مزارع ناکارا می‏تواند ذخیره شود.

کلیدواژه‌ها

عنوان مقاله [English]

Analysis Of Watermelon Production Energy Under Plastic Culture And Open-Field Systems Using DEA Method In Khuzestan

چکیده [English]

Data Envelopment Analysis (DEA) technique was used to analyze the efficiency of farmes, discriminate efficient farms from inefficient ones and to identify wasteful uses of energy for orange producers in Khouzestan region. Data were collected from 125 watermelon producer by using a face-to-face questionnaire. Results revealed that total energy consumption in plastic culture and open-field watermelon production systems was 39.64 and 38.92 GJ/ha, respectively. The Highest share of total energy for watermelon production in plastic culture system were plastic with 34%, fertilizer with 22% and diesel fuel with 17%. While the highest share of total energy in watermelon in open-field system were observed for diesel fuel, fertilizer and irrigation water whit 37%, 27% and 14%, respectively. The average of technical efficiency and pure technical efficiency for watermelon production in plastic culture system were 0.82 and 0.98. Whereas, the values for watermelon production in open-field system were 0.76 and 0.98 respectively. The results also revealed that about 4.69 and 10.21 GJ/ha in all inefficient units in plastic culture and open-field watermelon production systems could be saved if the producers follow the input package recommended by the DEA respectively.

کلیدواژه‌ها [English]

  • Plasticulture system
  • DEA technique
  • Fertilizer
  • Diesel fuel
  • Technical efficiency

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تحقیقات اقتصاد و توسعه کشاورزی ایران
دوره 47، شماره 2
شهریور 1395
صفحه 293-301

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