玉米是喜水喜肥的高产作物,而80%以上的玉米种植面积靠天然降水,其需水规律很难与天然降水相吻合,形成十年九旱,是高产作物产量并不高的直接原因。用高粱的抗旱耐瘠薄性来改良玉米,自然就成了育种家们的憧憬。宛新1号系河南省南阳地区农科所苏子 Corn is hi-yielding hi-yielding crops, while more than 80% of corn planting area by natural precipitation, the water demand is difficult to coincide with the natural precipitation, the formation of nine years of drought, high-yielding crops is not the direct cause of the yield . With sorghum drought and barrenness to improve corn, naturally became the vision of breeders who. Wan new No. 1 Department of Nanyang Prefecture, Henan Province Department of Agricultural Su Su