《河南农业科学》编辑部: 我是个农村业余通讯员,又是《河南农业科学》的热心读者和订户。我订阅贵刊已达五年,从中学到了不少致富技术。这几年,我根据《河南农业科学》的文章,先后试验推广了玉米覆膜栽培技术、高产优质棉开发、西瓜新品种种植、夏播绿豆高产技术, “Henan Agricultural Sciences” Editorial Department: I am a rural amateur correspondent, but also “Henan agricultural science” enthusiastic readers and subscribers. I have subscribed to your magazine has reached five years, learned a lot from the rich technology. In recent years, according to the article of “Henan Agricultural Science”, I have successively popularized the cultivation technology of corn laminating, the development of high-yield and high-quality cotton, the cultivation of new varieties of watermelon, the high-yielding mulberry planting technology in summer,