As the saying goes, "see the three-point harvest of seedlings", corn seedlings and seedlings are the basis for high yield and good harvest. Once the whole seedlings become an important part of corn cultivation technology, then in addition to buying good seeds, it should also be Note the following questions:
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. Proper application of seed fertilizer. 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) wrong seeding: seeds and fertilizers should be planted by mistake, the distance is about 5 to 7 centimeters.
3. In time, water the head water. 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 is easy to 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 the next row is the same. If it is consistent, plant the seeds again to avoid inconsistency in the emergence of the rows.
The good varieties and good methods are all in line. Only on the premise of ensuring that the corn is fully seeded, can we lay a good foundation for the harvest and harvest of corn after autumn.
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