The sowing period of spring corn is generally from the end of April to the beginning of May, the Huanghuai Sea divides spring corn and summer corn, spring corn is also sown at this time, and summer corn is sown after the winter wheat harvest, roughly around June.
After the corn is sown, only when the ground temperature of 10 cm is stable through 12 °C, the effect of germination in 7 days will be achieved, if the ground temperature does not reach this temperature, the corn seeds are in the soil for too long, which will affect the germination rate, and the seeds that barely germinate will also form weak seedlings. Therefore, the vast number of farmers are reminded that this year's spring sowing corn must be sown according to the temperature change and the sowing time must be grasped in a timely manner.
Do not sow too early, spring corn is not sown earlier, the higher the yield. Planting too early not only has low yields, but also pests and diseases are quite serious. For example, rough shrinkage, spider mite, and corn spot disease. This is because the corn planted at this time is in the season of high temperature and rain when pollinating and filling, which is very prone to bald tips or lack of grains. It is understood that only when the local wheat is planted 15~20 days before the harvest is the period when the corn yield is the highest.
In addition, it is necessary to select suitable varieties to choose maize varieties not only to adapt to the local weather and climate, but also to look at their lodging resistance, stress resistance and other comprehensive characteristics of the varieties with high and better characteristics. Last year, many varieties were due to poor stress resistance, which made the corn in flowering and pollen just encounter high temperature and continuous rain and low temperature during grain filling, and the bald tip was seriously deflated.
How to determine the corn sowing date is introduced here, I hope it will be helpful to everyone. If you want to buy high-quality and high-yield corn seeds, you can download the seed bank App, and the country's excellent corn varieties are available for everyone to choose.
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