مقایسه کارایی اقتصادی سیستم‌های مختلف آبیاری در مزارع یونجه دشت قروه- دهگلان

نوع مقاله : مقاله پژوهشی

نویسندگان

1 استادیار گروه اقتصاد کشاورزی، دانشکده کشاورزی،‌ دانشگاه کردستان، کردستان، ایران

2 دانشجوی کارشناسی ارشد، گروه اقتصاد کشاورزی، دانشکده کشاورزی،‌ دانشگاه کردستان، کردستان، ایران

چکیده

مطالعه‌ی حاضر با هدف مقایسه کارایی اقتصادی سیستم‌های آبیاری کلاسیک ثابت، عقربه‌ای و خطی با استفاده از روش تحلیل پوششی داده‌ها (DEA) در سال 1396، در دو حالت بازدهی ثابت و متغیر نسبت به مقیاس در مزارع دشت قروه- دهگلان استان کردستان انجام گرفته است. با استفاده از روش نمونه‌گیری تصادفی ساده 171 زارع به­عنوان نمونه انتخاب شدند. داده‌ها از طریق مصاحبه و تکمیل پرسشنامه جمع‌آوری گردید. نتایج نشان داد، میانگین کارایی اقتصادی سیستم‌های آبیاری کلاسیک ثابت، عقربه‌ای و خطی در مزارع یونجه با فرض بازدهی ثابت نسبت به مقیاس به ترتیب برابر 52/0، 58/0 و 71/0 و با فرض بازدهی متغیر نسبت به مقیاس به ترتیب برابر 60/0، 73/0 و 90/0 می‌باشد. این نشان می‌دهد، میانگین کارایی اقتصادی سیستم آبیاری خطی بیشتر از عقربه‌ای و عقربه‌ای بیشتر از کلاسیک ثابت است. لذا، مطالعات مناسب جهت ایجاد زمینه تغییر سیستم‌های آبیاری موجود به سیستم خطی پیشنهاد می‌شود.

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