铜川市地处渭北黄土高原中部,属关中平原向陕北黄土高原过渡地带。由于玉米可作粮食、饲料、工业原料等多种用途,而且经济效益好,市场前景广阔,因此,大力发展玉米生产对确保我市粮食生产安全,促进农业增效、农民增收,具有十分重要的意义。但我市在玉米生产中却存在着市场品种多乱杂、主推品种不突出、播期不适时、种植密度不合理、施肥不当、病虫害防治不及时等问题,严重影响了玉米产量的提高和农民收入的增加。 Tongchuan City is located in the central Weibei Loess Plateau, Guanzhong Plain to the northern Shaanxi Loess Plateau transition zone. Because corn can be used for food, feed, industrial raw materials and other purposes, and the economic efficiency is good, the market prospects are broad, therefore, to develop corn production to ensure the safety of grain production in our city to promote agricultural efficiency, farmers income, it is very important significance. However, there are many problems in the corn production in China, such as the market variety is disorderly mixed, the main push varieties are not prominent, the sowing time is not suitable, the planting density is not reasonable, the improper fertilization, the pest and disease control are not timely and so on, seriously affecting the increase of corn yield and peasants Increase in income.