Determine the relationship between of energy consumption and economic productivity in different types of production technology and machinery ownership status for melon production in Iran

Loghmanpour zarini Rasoul نويسنده , Akram Asadollah نويسنده Departmentof AgriculturalMachineryEngineering,FacultyofAgricultural EngineeringandTechnology , mahdavi darvari hasan نويسنده