This paper was carried out to study supportive policies of greenhouse organic Cucumber (GOC) production in Khorasan- Razavi province by using a cross sectional data of 60 farmers in 2008. Results showed that farmers want to allocate 64.8% of greenhouse area to organic Cucumber production. 73.3% of farmers believed that Jihad-Agriculture Organization (JAO) has scientific and technical ability to promote of farmers towards organic agriculture while marketing ability was emphasized only by 33.3% of farmers. Also,100% of farmers price,100%insurance, 80% technical-agronomic, 86.7% educational, 86.7% credit, 86.7% market (purchasing of products), 93.3% biological and mechanical control, 86.7% organic fertilizer and 73.3% animal fertilizer as supportive policies presented that government must considered if farmers adopt Cucumber organic and movement towards it. Price, insurance, technical-agronomic, educational, credit, market, biological and mechanical, organic fertilizer and animal fertilizer supportive policies have priority one to nine of supportive policies and programs of Organic Cucumber production in Khorasan- Razavi province. So, in encouraging programs of farmers to producing of greenhouse organic Cucumber must emphasize on this components especially price, insurance, technical-agronomic, educational, credit and market supports for succession the adoption and transition process.

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