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تعیین انرژی مصرفی تولید محصول ذرت دانهای در استانهای تهران ، البرز و قزوین | ||
| نشریه مکانیزاسیون کشاورزی | ||
| مقاله 1، دوره 11، شماره 1 - شماره پیاپی 30، فروردین 1405، صفحه 1-12 اصل مقاله (1002.74 K) | ||
| نوع مقاله: مقاله پژوهشی | ||
| شناسه دیجیتال (DOI): 10.22034/jam.2026.70078.1344 | ||
| نویسندگان | ||
| احمد شریفی مالواجردی* ؛ عادل واحدی؛ سایه باقرالهاشمی | ||
| موسسه تحقیقات فنی و مهندسی کشاورزی- سازمان تحقیقات، آموزش و ترویج کشاورزی- کرج- ایران | ||
| چکیده | ||
| مصرف بهینه انرژی یکی از عوامل تولید پایدار محصولات کشاورزی است. افزایش تولید محصولات کشاورزی زمانی پایدار خواهد بود که انرژی مورد استفاده در حد بهینه باشد. هدف از انجام این مطالعه بررسی مصرف انرژی در تولید محصول ذرت دانهای در سه استان تهران، البرز و قزوین بود. دادهها از 11 بهرهبردار در هر استان به صورت مصاحبه حضوری و عملیات میدانی جمعآوری شد. نتایج نشان داد که در استانهای مورد مطالعه متوسط انرژی ورودی ذرت دانهای برابر 47/71039 مگاژول در هکتار و متوسط انرژی خروجی ذرت دانهای برابر 83/131041 مگاژول در هکتار است. در تولید ذرت دانهای بیشترین و کمترین انرژی نهاده مصرفی به ترتیب به انرژی الکتریسیته با 78/56 درصد و انرژی نیروی انسانی با 24/0 درصد از کل انرژیهای ورودی تعلق داشت. طبق محاسبات شاخصهای مصرف انرژی در ذرت دانهای، کارایی انرژی 84/1 ، بهرهوری انرژی 13/0 کیلوگرم بر مگاژول، خالص انرژی 35/60002 مگاژول بر هکتار و شدت انرژی 97/7 مگاژول بر کیلوگرم به دست آمد. | ||
| کلیدواژهها | ||
| انرژی؛ بهرهوری؛ کارایی؛ ذرت دانهای | ||
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آمار تعداد مشاهده مقاله: 89 تعداد دریافت فایل اصل مقاله: 60 |
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