بهینه‌سازی مصرف انرژی و اکسرژی تجمعی و ارزیابی چرخه حیات زیست‌محیطی تولید ذرت در استان لرستان

ماشین های کشاورزی

دوره 15، شماره 1 - شماره پیاپی 35، فروردین 1404، صفحه 23-46   

نوع مقاله: مقاله پژوهشی لاتین

شناسه دیجیتال (DOI): 10.22067/jam.2024.86234.1221

نویسندگان

محسن سلیمانی^{* 1}؛ عباس عساکره¹؛ مجتبی صفایی نژاد²

¹گروه مهندسی بیوسیستم، دانشکده کشاورزی، دانشگاه شهید چمران اهواز، اهواز، ایران

²گروه مدیریت مکانیزاسیون کشاورزی، جهاد کشاورزی استان لرستان، خرم‌آباد، ایران

چکیده

بهینه‌سازی مصرف نهاده، کاهش مصرف انرژی و اثرات مختلف زیست‌محیطی سیستم تولید ذرت در استان لرستان بر اساس تحلیل اکسرژی و ارزیابی چرخه حیات زیست‌محیطی مورد بررسی قرار گرفت. بر اساس نتایج به‌دست‌آمده و با توجه به معادله کاب-داگلاس، برق، سوخت دیزل و کود نیتروژن، بیشترین سهم را در مصرف اکسرژی تجمعی در سیستم تولید ذرت داشته‌اند. نتایج DEA نشان داد که میانگین راندمان تمام مزارع از نظر مصرف اکسرژی تجمعی در مدل‌های CCR و BCC، به‌ترتیب 94.7 و 97.8 درصد است. همچنین نتایج نشان داد که نهاده‌ها به‌ویژه کودهای پتاسیم و فسفات بیش از نیاز مصرف می‌شود. همچنین می‌توان 6.47، 10.42، 7.40، 13.32، 31.29، 3.25 و 6.78 درصد به‌ترتیب در مصرف اکسرژی سوخت دیزل، برق، ماشین‌ها، کودهای شیمیایی، سموم، بذر و انرژی آبیاری، با حفظ سطح عملکرد فعلی و تنها با ترویج روش‌های مورد استفاده توسط مزارع کارآمد، صرفه‌جویی کرد.

کلیدواژه‌ها

LCA؛ DEA؛ انرژی در کشاورزی؛ پایداری؛ تجدیدپذیری

سایر فایل های مرتبط با مقاله

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