【摘要】 汇总了近年来山西省玉米种植面积与产量的变化及各地市玉米播种面积及产量水平,分析了山西省各玉米种植生态区主要的玉米推广品种、病虫害发生情况及机械化水平,指出玉米在粮食生产中占有十分重要的地位,玉米的种植区域逐步向无霜期短的地区扩展,玉米品种多乱杂,病虫害的发生和危害在不同的玉米生态区有一定的差异,适合山区、丘陵地区的小型机械较少,特早熟地区机收困难;并从育种、栽培、病虫害防控及改善农田基础设施方面提出了发展对策。更多还原

【Abstract】 The status of corn planting in Shanxi province was analyzed from four aspects: planting area and yield, varieties, diseases and pests, and mechanization level. It was showed that corn had played an important role in food production. The planting area of corn was gradually expanding to areas with short frost-free period. The varieties of corn were various and in confusion, and the occurrence and damage of diseases and pests of it were changeable in different areas. Agricultural machinery suitable for mountains and hills was lacking as harvester was lacking for special early corn. It also put forward development countermeasures for breeding, cultivation, prevention and control of diseases and pests, and improvement of farmland infrastructure.更多还原