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玉米是山东省第二大粮食作物和第一大饲料作物，其种植面积每年在267万公顷左右，占粮食作物的33％；总产160亿千克左右，占粮食作物的36％，可见玉米的种植在全省粮食和饲料生产中占有举足轻重的地位。随着农村经济的深化改革和农机化事业的迅猛发展，玉米种植的机械化水平与
Corn is the second largest grain crop and the largest fodder crop in Shandong Province. Its planting area is about 2.67 million hectares annually, accounting for 33% of the total. The total output is about 16 billion kilograms, accounting for 36% of the total grain crops. Planting in the province’s food and feed production plays a decisive role. With the deepening reform of rural economy and the rapid development of agricultural mechanization, the mechanization of corn planting and