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近日,不少读者来信建议本刊增加主要作物病虫害的系统分类介绍,重点想了解其发生原因、特征识别、流行规律、有效防治方法等方面。为此,本刊从本期开始,伴随主要作物种植生长时期,对其常发的、危害相对较大的病虫害结合图谱进行分期连载,希望对广大从事农业的朋友有所帮助。在此感谢读者的支持与帮助,欢迎更多的读者朋友对本刊提出建议,进行指导!谢谢!
Recently, many readers have suggested in this letter that we should introduce systematic classification of major crop pests and diseases in order to understand the causes of occurrence, feature identification, epidemic laws and effective prevention and treatment methods. To this end, this issue from the beginning of this period, along with the main crop planting and growing period, its frequently-occurring, more harmful pests and diseases associated with atlas staging serialized, hoping to help the majority of agricultural friends. Thank you for your support and help, welcome more readers friends to make recommendations to the magazine, to guide! Thank you!