玉米是黑龙江省面积大，产量高，用途广内涵增产潜力大的粮经饲优势作物，是左右我省粮食产量的主导作物。如何挖掘其内在增产潜力，使我省玉米产量再上新台阶，除良种、肥料之外，立体间作是提高玉米单产行之有效措施。目前我省玉米间作模式主要有米豆间作，米薯间作，米粱间 Heilongjiang Province, corn is a large area, high yield, wide use of intension culvert growth potential of grain and food crops, is about leading grain production in our province. How to tap the potential of its inherent yield, corn production in our province to a new level, in addition to seeds, fertilizers, the three-dimensional intercropping is an effective measure to improve corn yield. At present, the intercropping mode of corn in our province mainly includes intercropped rice, intercropped rice and rice, and rice