What are the precautions for corn topdressing? How to topdress is the most reasonable? What fertilizer is good for corn topdressing? When is the best time for corn topdressing? These questions are all about corn growers, and food growers ask the most. Here is a brief introduction to the corn topdressing technology. When is corn best for topdressing? The best period for corn topdressing is to be determined according to the method of topdressing. Generally, artificial topdressing should be the best in the big trumpet period, that is, the topdressing of corn when 10 to 13 leaves are used. If it is a mechanical top dressing, it can be advancing a little earlier. It is ideal for topdressing in 8 to 9 leaves. What fertilizer is good for corn topdressing? Regarding the use of fertilizer, it should be determined according to the growth of corn. If there are signs of deficiency of zinc and potassium deficiency in corn leaves, you can choose to apply compound fertilizer containing three elements of nitrogen, phosphorus and potassium and trace elements, which can solve the problem of topdressing. The problem can also supplement trace elements and extend fertilizer efficiency. If the corn is not deficient, it can be applied with urea, and the amount of topdressing is determined according to the ground force. Generally, 30-40 kg of urea is applied per mu, which can meet the growth needs of later corn. What are the precautions when using corn for topdressing? 1. Pay attention to high temperature and drought, do not top dress If the temperature is higher, the surface temperature reaches more than 40 degrees, and the soil is dry, it is recommended not to topdress in this case, because at this time, the topdressing will not only increase the yield, but also cause fat damage, fat burning phenomenon, data It shows that because of high temperature and drought, it can cause corn to reduce production by more than 15%. Therefore, everyone must look at the weather and look at the grievances before topdressing, so as to avoid the phenomenon of spending money to do bad things. 2. Questions about the use of topdressing and controlling agents Which one of the problems can come first, of course, the control agent should be determined according to the period of use. There is a kind of situation to be aware of. Under normal circumstances, in order to prevent lodging, topdressing for growth is not contradictory, but when corn is seriously deficient in fertilizer and growth retardation, it can be topdressed. It is recommended not to control the growth, so as not to affect the growth of corn plants. is too big. The above is all about corn topdressing. In general, it is still necessary to combine the actual situation. Welcome corn growers to come and add! Ear Health Care ( Invisible ) JIAMAI an entirely had subsidiary of Albert Novosino, responsible for the worldwide trade business. Electric Ear Washing, Electric Ear Dryer, Ear Syringe, Ear Wax Ningbo Jiamai Internet Technology CO., Ltd. , https://www.jmcuhyd.com
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