نوع مقاله: مقاله علمی- پژوهشی

نویسندگان

1 دانشگاه فردوسی مشهد

2 گیلان

چکیده

در این تحقیق میزان انرژی مصرفی و هزینه‌های ورودی تولید بادام‌زمینی در استان گیلان محاسبه شده است. اطلاعات از طریق پرسشنامه و مصاحبه حضوری با 75 کشاورز به‌دست آمد. داده‌ها از سه گروه مزرعه با مساحت‌های کمتر از نیم هکتار، نیم تا یک هکتار و بیشتر از یک هکتار جمع‌آوری شدند. نتایج نشان داد، میزان انرژی ورودی برای تولید بادام‌زمینی 36/19407 مگاژول بر هکتار است. دو نهاده سوخت دیزل و کودهای شیمیایی به‌ترتیب با 05/50 و 14/19 درصد پرمصرف‌‌ترین نهاده‌های انرژی در تولید بادام‌زمینی بودند و تفاوت انرژی‌های ورودی سه نهاده ماشین‌ها، سوخت دیزل و الکتریسیته در مساحت‌های مختلف مزارع معنی‌دار (05/0>p) بود. میانگین کارایی انرژی در مساحت‌های کمتر از نیم هکتار، نیم تا یک هکتار و بیش از یک هکتار به‌ترتیب 67/3، 02/4 و 12/4 به‌دست آمد. بهره‌وری انرژی در این مساحت‌ها نیز به‌ترتیب 155/0، 169/0 و 174/0 کیلوگرم بر مگاژول محاسبه شد. نتایج استفاده از تابع کاب داگلاس نشان داد که تأثیر نهاده‌های کار انسانی، ماشین‌ها، کودهای شیمیایی و الکتریسیته بر روی عملکرد مثبت و تأثیر نهاده‌های بذر، سوخت دیزل و سموم شیمیایی بر روی عملکرد بادام‌زمینی منفی بود. نسبت سود به هزینه 82/1 محاسبه شد و زمین‌های تحت کشت با مساحت بیشتر از یک هکتار از انرژی مصرفی و هزینه‌های ورودی کمتری بر واحد سطح برخوردار بودند.

کلیدواژه‌ها

عنوان مقاله [English]

Effect of Farm Size on Energy Consumption and Input Costs of Peanut Production in Guilan Province of Iran

نویسندگان [English]

  • B Emadi 1
  • A Nikkhah 1
  • M Khojastehpour 1
  • H Payman 2

1 Ferdowsi University of Mashhad

2 University of Guilan

چکیده [English]

In this study, the energy and economic analysis of peanut production in Guilan province of Iran was studied. Data were collected from questionnaires of 75 farmers. The data were collected from three farm size categories namely: 0.1–0.5 ha, 0.5-1 ha and larger than 1 ha. The results revealed that 19407.36 MJ ha-1 energy input was totally consumed. The highest share of energy consumption belonged to diesel fuel (50.05%) followed by chemical fertilizers (19.14%). The mean difference of energy inputs including machinery, diesel fuel and electricity among different sizes of farms was significant at the 5% level. The average energy efficiency in different farm size categories including less than 0.5 ha, 0.5-1 ha and more than 1 ha were 3.67, 4.02 and 4.12, respectively. The energy productivity of these sizes was calculated as 0.155, 0.169 and 0.174 kg MJ-1, respectively. The Cobb-Douglas model results showed that the effects of inputs including human labor, machinery, chemical fertilizers and electricity on the yield were positive, while the effect of inputs including seed, diesel fuel and chemicals on peanut yield were negative. The benefit-cost ratio was calculated as 1.82. Farmers with a farm larger than 1 ha used the least amount of energy and input costs.

کلیدواژه‌ها [English]

  • Guilan province
  • Peanut
  • Cost analysis
  • Energy Efficiency
  • Farm size

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