This paper examined factors influencing on minimum offer price of farmers for producing greenhouse organic cucumber in Khorasan Razavi province by using linear regression and cross sectional data of 60 greenhouse cucumber producers in 2008. Results showed that 80 percent of farmers believed price of organic products must be 10 percent more than conventional products. Minimum offer price of organic cucumber is 6348.6 rial kg-1. Also, relationship between age, of farmers, cucumber insurance, average current yield of conventional cucumber, information about organic cucumber, cultivated area that allocate to organic cucumber and minimum offer price for producing greenhouse organic cucumber is positive. Relationship between farmer’s job, using of agricultural advisory, agricultural experience, organic market information, participation in extension classes and minimum offer price of greenhouse organic cucumber is negative. Regard to results, creating organic products market information systems, extension and education of organic cucumber, more activate of agricultural advisory, balancing expansion of organic cucumber cultivated area, and conduct of insurance toward effectiveness on decreasing of risk and increasing of production suggested.

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