玉米是驻马店市两大粮食作物之一,常年种植面积26.67万公顷左右,总产量10～15亿千克面积占全省的八分之一,但产量只占全省的十分之一。随着市场经济的发展,种植业结构的优化,产业进程的加快,特别是中国加入WTO后,粮食生产尤其是玉米生产由高产数量型向高产高效型发展显得日益重 Corn is one of the two major grain crops in Zhumadian City. The perennial planting area is 266,700 hectares and the total output is 10-1.5 billion kilograms, accounting for one eighth of the province’s output. However, the output only accounts for one-tenth of the province’s total. With the development of market economy, the structure optimization of planting industry and the acceleration of industrial processes. Especially after China’s accession to the WTO, the production of grain, especially corn, has become more and more important from high-yielding and high-yielding to high-