این مطالعه به محاسبه و بررسی بهره‌وری کل عوامل تولید محصولات عمده استان خراسان در طی دوره 82-1373 با استفاده از شاخص مالم کوئیست می‌پردازد . نتایج مطالعه نشان می‌دهد که در بین تمامی محصولات منتخب نوسانات کارآیی در چغندرقند ...

در این مقاله موضوع بهره وری آب در کشاورزی بر مبنای درآمد و مقدار تولید محصول بررسی شده است

THE EFFECT OF AGRICULTURAL WATER RESOURCES DEVELOPMENT ON ECOLOGICAL SUSTAINABILITY AND DESICCATION OF LAKE UROMIYEH IN IRAN

Lake Uromiyeh is a large shallow, hypersaline Lake at the north-western end of Iran. In 1995 the average depth of the water at this lake was 19 meter with a water surface area of 6500 sq. km. However, during the last 10 ...

The simple productivity equation shows that in order in increase productivity we should decrease water application or increase the yield. A common perception is that irrigation waste tremendous amount of water in Iran. It ...

In this paper the role of water productivity in Iran agricultural practices has been discussed. Also the status of agricultural water use has also been focuced.