我是一名刚出校门的新农民,由于生产的需要,我结识了贵刊,感谢贵刊给了我很多帮助.我家的庄稼去年遭了场病害,由于我缺乏经验,防治不当,损失严重,痛心之余,想到如果有庄稼病虫害彩色图书或挂图,同时配文说明发病原因、症状特点、防治方法,让人一看就明白是什么病虫害、就知道如何防治该多 I am a new farmer just out of school, because of production needs, I got to know your magazine, thanks to your magazine gave me a lot of help. My family suffered a disease last year, due to my lack of experience, improper prevention, loss of serious , Distressed aside, think of a crop or pest color books or wall charts, at the same time with the text explaining the cause of the disease, symptoms, prevention and control methods, people see at a glance what is the pest, you know how to prevent the more