通过对吉林省玉米带样本县农作物及水稻、玉米、大豆种植结构演变及现状的统计,分析得出种植结构不合理的影响因素包括自然条件因素、政策因素、收益因素、科技因素和传统因素,提出玉米与大豆轮作、玉米与其他杂粮作物轮作和玉米内部不同品种间的调整为吉林省玉米带种植结构优化措施。

By the statistics on the evolution and present situation of planting structure as crop, rice, corn and soybean of corn belt in Jilin province, the influencing factors of corn planting structure were analyzed, that including the natural condition, the policy, the income, the science and technology and the traditional factors. The analysis presented that, corn and soybean rotation, corn and other cereals crop rotations and corn internal between different varieties of adjustment were the optimization measures for the planting structure of corn belt in Jilin province.