The new agricultural enterprises operating scale of cropland is not the bigger the better. The rational allocation of agricultural production inputs and giving full play to the economic effect of cropland moderate scale of the new business entities are important issues faced by Changsha City. This study based on the micro level of monetary value and the macro level of real output, put the investigation data of input and output of Changsha City new agricultural enterprises with scale management of cropland as the study sample. The scope of the i...