How to choose corn seeds? When will the seeds be sown? How do you plant it?

Corn, also known as Baogu, Baolu, Zizania latifolia, bracts, sticks and so on, is widely planted all over the world. How to choose the corn seed? When will the seeds be sown? How do you plant it?

First, how to choose corn seeds?

1. Purchase channel

The seed management departments with high reputation and operating license are more reliable.

two。 Seed packaging

The seed packaging purchased from seed companies or scientific research institutions is usually better, printed with the name of the seed management unit, the seed bag is generally sealed with a sewing machine, and the seed of a variety is generally a kind of packaging. If there are several kinds of packaging of the same variety, it may be false seeds.

3. Color

The color of normal corn seeds is pure and fresh. If it is a small grain of commercial grain or the male parent of the seed field, the color is usually dark because it is not carefully dried.

4. Grain size

Good corn seeds are harvested on inbred lines, and small ears and small grains are also small. If the seeds you buy are similar to those of commercial grain, be extra careful. If the seed is very small and uneven, you should pay attention to whether it is mixed with corn tips and so on.

5. Grain neatness degree

After many times of cleaning, the seeds produced by the seed production department are uniform and neat with few impurities. If the seed size is uneven, the color is different, there are many impurities and mildew grains, the authenticity of the seed is questionable. In addition, we should also understand the characteristics of commonly used maize varieties, such as grain color, grain shape, ear axis color, grain size and so on. According to the appearance characteristics, some impostors can often be excluded.

When will the corn seeds be sown?

1. Spring corn

Spring corn is generally sown from April to May and can be harvested in late August.

two。 Autumn corn

It is hoped that the corn will be sown from July to August at the latest and harvested in late October.

Third, how to plant corn seeds?

1. Soil preparation and fertilization

Select the land with deep soil layer, loose soil and good fertilizer conservation performance, then carry out deep ploughing and leveling, and apply base fertilizer according to the situation of the land.

two。 Sowing at the right time

Spring corn is sown from April to May and autumn corn is sown from July to August. When the soil is tight, the sowing depth is 5-6 cm; when the soil is loose, the sowing depth is 6-8 cm. Cover with soil after sowing and press it properly.

After sowing, corn should pay attention to its growth, remove weak and diseased seedlings in time, and replenish seedlings in time.