What fertilizer is best for corn fertilization? When and how to fertilize it

Corn is a high-yield crop and has a high demand for fertilizer. Summer is especially critical for corn growth and the fertilizer requirements of corn at this time are higher than usual. Therefore, when applying fertilizer, it is necessary to apply fertilizer reasonably according to the rules of corn at different stages.

Fertilizer for corn

Most of the topdressing materials used for corn are urea or compound fertilizers. Topdressing of corn is even more important in summer, and topdressing of corn must be guaranteed twice in summer.

The first time, after the seedlings are established, seize the time to apply fertilizer to the seedlings. At this time, nitrogen fertilizer and phosphorus fertilizer should be used mainly to achieve the goal of stable growth while the seedlings develop. The second time of topdressing should be during the period of large trumpet mouth, mainly nitrogen fertilizer, and the amount used is twice that of the first time, to ensure the nitrogen content demand during the differentiation period of corn cobs.

Key points for corn fertilization

In the process of corn planting, the number of topdressing should be determined according to the current growth of corn. If it is a normal plot, about 100 kilograms of base fertilizer has been applied in the early stage, and topdressing is sufficient during the flaring period. If the corn in the plot grows weakly and turns yellow, and the situation does not improve significantly after topdressing once, you can apply topdressing 1-2 more times, and you can supplement it by spraying foliar fertilizer in the later stage.