In the summer of 2017, corn seeding techniques are how to manage water and fertilizer. Corn is the main crop in China. At the beginning of May each year, farmers in some areas plant spring corn. There are ways to sow corn. Let's take a look at the corn planting tips.
There are ways to sow corn
1, choose the species
Pay attention to the hybrid generation with high purity and good quality. And strictly selected, to miscellaneous, broken, mildew, to ensure that the purity and clarity of the seeds are higher than 97%, while the size of the grain is grading.
2, drying seeds
It can increase the emergence rate by 15%~20%, and the early emergence of seedlings for 1~2 days, increasing yield by 64%. Before the broadcast, choose the sunny day before and after the noon to spread the seeds to dry, 4 to 5 hours a day, even 2 to 3 days.
3, seed dressing
The seed dressing can be seeded with a seed dressing agent with a seed amount of 1%. Seed dressing with biological fungi, 0.5 kg of mu, mix with 200 ml of water to make a thick shape, add the seeds and mix well. If the soil is deficient in zinc, it can be mixed with zinc sulfate, and the amount of seeds per kilogram is 5 grams.
4, sowing
Drilling precision on-demand, according to the average line spacing of about 62 cm (planted in large and small rows, 80 cm in large rows, 45 cm in small rows), use a hoe or plow to open a 5~6 cm deep sowing ditch, with a single grain of 18-20 cm. The next species, then covered with wet soil cover.
Corn sowing tips
1. The sowing depth should be appropriate.
Regardless of the machine broadcast and hand point, the depth of corn planting requires 3 to 5 cm. If you plan to pour the head water, you can plant 3 cm deep. If the sowing is too deep, the emergence will be slow and the seedlings will be weak. If the watering is too large, the emergence will be poor and the seedlings will be lost.
2. Apply the seed fertilizer correctly.
When planting corn with appropriate amount of phosphorus and potassium fertilizer as seed fertilizer, it can significantly enhance the growth of seedling stage, and then increase the yield. The following points should be noted when using: (1) Appropriate amount: 10-20 kg of mu is suitable. (2) Mis-seeking: Seeds and fertilizers should be planted in a wrong way, with a distance of 5 to 7 cm.
3. Inject the head water in time.
After sowing, you should pour the head water in time. If the amount of sowing fertilizer is too large and it is not watered in time, it will easily cause the fertilizer to burn, resulting in serious lack of seedlings. Watering should be moderate, not watering too much, flooding with large water can easily form water in the field, resulting in slow emergence of seedlings, yellow seedlings, and even serious shortage of seedlings. Especially when planting deep plots, it is necessary to control the amount of water.
4, the amount of seeding should be uniform.
Before planting, after the seeds are poured into the planter, turn the seed wheel to see if the amount of each row is the same. If it is consistent, plant the seeds again to avoid inconsistency in the emergence of each row.
This article URL: 2017 summer corn sowing skills how to carry out water and fertilizer management
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