ارزيابي اقتصادي استفاده از مقادير مختلف نهاده در سيستمهاي زراعت چغندرقند با محوريت آب‌

Economic evaluation of inputs allocation in sugar beet crop systems with emphasize on water

In ordet to investigate economic efficiency of five culture systems in sugar beet crop, including high input, medium input low input, high and medium inputs without 3 time irrigation after emergence, an experiment was conducted over two years (2002-2003) in Agricultural and Natural Resource Research Center of Khorasan. These systems analysed by marginal analysis and linear programming methods .