Assessment of Water Use Efficiency Indices in Selected Plains of Fars Province, Iran
محورهای موضوعی : Environmental policy and management
حمیدرضا میرزایی خلیل
1
(گروه اقتصاد کشاورزی، دانشگاه شهیدباهنر کرمان، ایران)
مهدی اسفندیاری
2
(گروه اقتصاد کشاورزی، دانشگاه شهید باهنر کرمان، ایران)
جواد شهرکی
3
(گروه اقتصاد، دانشگاه سیستان و بلوچستان، زاهدان، ایران)
مرتضی یعقوبی
4
(گروه اقتصاد، دانشگاه سیستان و بلوچستان، زاهدان، ایران)
کلید واژه: dry matter, water use efficiency, Monetary return, Withdrawal Cost, Water shadow Price,
چکیده مقاله :
This paper aimed to evaluate Water Use Efficiency (WUE) indices for crops and horticulture productions. In doing so, after gathering data from 164 farmers, we investigated water withdrawal cost indices and monetary return per cubic meter of water through two econometric and managerial approaches . Besides, water shadow pricesand dry matters of per cub meter of water were calculated. The results revealed that the average monetary return per cubic metre of water is 3875.4 IRR (0.134 USD) and cost per cubic metre of well water equals 839.3 IRR (0.029 USD), four times more than the value of some current development projects of water resources. Finally, according to the findings, we suggested a corrected price trade term to adjust water monetary return indices.Control policies and government participation in funding of artificial recharge of undergorund aquifers projects were recommended as well.
هدف این مطالعه، بررسی شاخص‌های مصرف آب محصولات زراعی و باغی است. داده‌ها از طریق پرسشنامه و مصاحبه با 164 کشاورز و با استفاده از دو روش نمونه گیری هدفمند و نمونه گیری تصادفی خوشه‌ای چندمرحله ای گردآوری شد. در این راستا، شاخص‌های هزینه استخراج آب و بازده ریالی هر متر مکعب آب با دو روش اقتصادسنجی و مدیریتی محاسبه شد. قیمت سایه‌ای و تولید ماده خشک هر متر مکعب آب نیز ارزیابی گردید. نتایج نشان داد که میانگین بازده ریالی هر متر مکعب آب 3875.4 ریال و هزینه هر متر مکعب آب چاه معادل 839.3 می‌باشد که چهار برابر بیشتر از ارزش برخی پروژههای توسعه منابع آبی است. در نهایت با توجه به نتایج اصلاح روابط مبادله قیمتی پیشنهاد شده است. در نهایت استفاده از سیاست‌های کنترلی و مشارکت در تامین مالی پروژههای تغذیه مصنوعی سفره‌های آب زیرزمینی توصیه می‌شود.
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