关键词: 农业政策, 科技创新, 玉米, 价格趋势

Abstract: Corn is not only an important grain crop, but also  an important raw material for industry. The stability of corn price is essential for resident life and national economy development. In recent years, enterprises using corn as raw material have been developing rapidly. Market requirement for corn has been increasing significantly. The fluctuation of corn price not only directly affects the people’s life, but also excerts huge influence on agricultural production operators, who take grain growing as their main source of income. Through analyzing corn price fluctuation trend both in short run and long run, this paper studied on the function characteristics of national adjusting policy and science & technology innovation in corn price fluctuation, and put forward countermeasures for corn industry to achieve a virtuous cycle.

Key words: agricultural policy, science &, technology innovation, corn price trend