【摘要】 本文以资源报酬变动原理为依据，通过对中低产田相对潜力分析参照系的建立、不同耕地产量水平现状的调查、中低产田相对潜力计算与分级，合理确定出中低产田重点开发区。并将该方法运用到山西省汾阳县中低产田的开发研究中，收到了满意的效果．更多还原

【Abstract】 According to the principle on resource reward change,this article rationly defined the major development area of the medium-low-yield cropland by establishing the reference frame of relatively potentiality analysis,investigating the present situation of diferent cropland output level and counting or classifying the roedium-low-yield cropland.更多还原