及时供给充足养分是作物获得高产的重要条件。通过诊断可以掌握作物不同生育期营养的余缺,人为地进行调整,合理施肥,以提高产量。下面谈谈玉米营养诊断与施肥。一、千斤玉米的营养水平 The timely supply of adequate nutrients is an important condition for crops to achieve high yields. Through the diagnosis can grasp the crop of different growth stages of nutrition, man-made adjustments, fertilization, in order to increase production. Here to talk about corn nutrition diagnosis and fertilization. First, the weight of corn nutrition