Choice Of Moderate Farmland Scale Based On Productive Efficiency

Currently,China’s economic development has entered into a new status,facing with issues such as resource and environmental constraints,factor cost rising and so on.Therefore,it is urgent to transform from investment induced growth to efficiency induced growth,from extensive management to intensive management.As a basic and week industry of our country’s economy,agriculture has become a long-time concern for Chinese authorities.Only after achieving agricultural modernization can we promote the rapid development of industrialization,informatization,urbanization and enhance the integrity and sustainability of development.The key of realizing modernization is to convert agricultural development mode and promote scale development.However,scholars have engaged in a heated debate about what scale is suitable and how land scale affects grain output.Studying on the relationship between farmland management scale and productive efficiency is the core to solving this problem.However,scholars often choose single factor productivity indicators such as land productivity,labor productivity and profit ratio to study on the relationship while ignoring the contribution of efficiency.Therefore,based on the theory of economies of scale and technical efficiency,we construct the research framework,using survey data of 94 large grain farmers in Jiangsu and Jiangxi Province in 2014 to explore the relationship between farmland management scale and productive efficiency,including single factor productivity indicators and technical efficiency indicator.In the paper,the content and conclusions are as follows:1.Choice of moderate Farmland scale based on single factor productivityThe result shows that(1)The land productivity,labor productivity and profit ratio exhibit inverse "U" shaped,rising and inverse "U" shaped variation with the expansion of farmland scale respectively.That is,medium-scale farmers have higher land productivity and profit ratio,while larger-scale farmers have higher labor productivity.(2)The turning point area with optimal land productivity of sample farmers is 57.07 mu,that is for agricultural acreage from 45.8 mu to 57.07 mu,the larger management scale the higher land productivity;for agricultural acreage from 57.07 mu to 311.72 mu,the smaller management scale the higher land productivity.(3)The inflection point area with optimal profit ratio of sample farmers is 62.65 mu,that is for agricultural acreage from 45.8 mu to 62.65 mu,the larger management scale the higher profit ratio;for agricultural acreage from 62.65 mu to 311.72 mu,the smaller management scale the higher profit ratio.2.Choice of moderate Farmland scale based on technical efficiencyThe result shows that(1)The technical efficiency exhibits inverse "U" shaped variation with the expansion of farmland management scale.That is,medium-scale farmers have higher technical efficiency than small-scale farmers and large-scale farmers.(2)The turning point area with optimal technical efficiency of sample farmers is 55.12 mu,that is for agricultural acreage from 45.8 mu to 55.12 mu,the larger management scale the higher technical efficiency;for agricultural acreage from 55.12 mu to 311.72 mu,the smaller management scale the higher technical efficiency.The main conclusions of this paper are:The relationship between farmland management scale and single factor productivity(land productivity,labor productivity and profit ratio)are inverse "U" nonlinear type,positive linear type and inverse "U" nonlinear type respectively.The relationship between farmland management scale and technical efficiency is inverse "U" nonlinear type.Large grain farmers present loss of technical efficiency,if technical inefficiency is eliminated,the 19.9%potential output can be increased.Productive efficiency are significantly affected by soil quality,multiple cropping index,family size,number of access to production information and risk preference extent.Hence,in order to increase the overall productive efficiency of large grain farmers,we should promote moderate farmland scale according to time,place and situation,with transformation from large and small-scale farmers to medium-scale farmers gradually.