玉米螟的叶心灌药防治法是小农经济制度下的一个产物。随着国家经济建设的不断高涨,对农业大生产的要求不断增加,这个方法的应用前途已成当前农业生产工作者和植物保护工作者所担心的一件事。仍然从小农经济的观点来看问题,这方法称得起是本小利大,行易效速;而且在目前我们确实还没有更好的方法来代替它。就管见所及,从现有的基础上把这方法加以提高,而不是全盘否定,应该是我们对这个问 Corn borer leaf heart infusion prevention and control law is a product of the economic system of small farmers. With the continuous economic growth in the country, the demand for large-scale agricultural production has been on the rise. The application of this method has become a concern for agricultural workers and plant protection workers. Still from the point of view of the peasant economy, this method can be said to be small in scale and effective in its economy. And at present, we really do not have a better way to replace it. In the light of this, we should improve this method from the existing basis instead of totally rejecting it. This should be our question on this