盖膜玉米追穗肥，一般正值营养生长盛期，个体发育健壮。植保高度均在1．5米以上，667平方米亩均在4000～5000株。按常规施肥方法（开沟或穴施）劳作强度大、伤株多、水分散发快、地膜破坏易诱发旱情早现。采用注施穗肥的方法，不但能克服上述之弊端，而且收到事半功倍之效果。 Covered film corn panicle, generally positive when the vegetative growth period, individual development robust. Plant protection height are more than 1.5 meters, 667 square meters of acres are in 4000 ~ 5000. According to the conventional fertilization method (ditching or hole facilities) labor intensive, wounds and more water scattered quickly, easy to induce the destruction of the mulching drought. Applying the method of applying panicle spike not only can overcome the above drawbacks but also achieve the effect of multiplying the multiplier effect.