关键词: 保护性耕作, 保护性耕作, 春玉米, 产量, 经济效益

Abstract:

Disease of yellow leaves on plants becomes increasingly common and severe with the continuous deterioration of ecological environment. The disease can be caused by biotic and abiotic factors singly or in combination, so there are differences in the symptoms, occurrence law and control methods. In this article, the causes, diagnose techniques, occurrence law, control methods, and so on of the yellow leaves disease on plants were reviewed. And, the questions of deserving farther research and the control of the disease were discussed. It aims to provide reference for the research and control of the diseases.