The application of interplanting in the agricultural production is of considerable significance in promoting the rate of utilization of the sunlight in a unit area and in further raising the yield in a unit area. The aim of this paper is to study the utilization of sunlight in the interplanting of corn and their relationship. We analyze firstly the composition of the corn interplanting system and their relationship, assuming the process of the growth of corn as the process of the transformation of materials...