The key body of production about rice is farmer,which lends to Potential Economic effectiveness.On according to the data on survey of author,running on the model of dual logistic,the analyze of main factor about the production of rice,which belong to the basic characteristic of farmer,production of rice,the characteristic of farmer' s family,the policy of Grain direct subsidy,the system of technology and serve,and so on.The study on the key body of the produce of the rice,which relating to the ways of regression analysis,the result shows:the five factors meaning the direct influence,which are ...