Spring farming started, I believe that the weather will turn fine, and many people will carry out farming activities. In many areas, the crops are rice, corn, etc., but no matter what crop, in the process of planting, there are often various problems, such as corn sprouting problems? Let's take a look at the following.
First, the reason for the incomplete germination of corn
1. Seed reasons
Maize sprouting has a great relationship with seeds. If the seed germination rate is low, the vitality is poor, or the seeds of Chen, etc., it will cause incomplete budding.
2, land preparation quality
Roots, straws, and mulch will affect the whole seedlings of the corn, and the gluten and stones will affect the emergence of the seedlings. The common corn lack of seedlings is mostly caused by furrows.
3, soil moisture
The soil is in good condition, the seedlings are good, the areas with poor moisture are not seedling, and the phenomenon of plaque shortage is formed. Insufficient soil moisture, large seeds absorb more water, and the case of insufficient moisture will affect the emergence of seedlings.
4, the reason for planting
Unseen seeding often results in uneven graining, resulting in intermittent seedlings. Or sowing early, causing problems such as powder seeds and rotten grains. If the planting is too deep or the soil is too thick, it will affect the normal seeding depth of 4-5cm. If the seeding is too deep, it will easily affect the emergence of seedlings. Of course, the soil is too thick. If the sowing is too shallow, the soil is prone to seed when the soil moisture is poor or the wind is large. Although the water is not enough to germinate, even if it is barely germinated, it will hang and affect the whole seedling.
5, herbicide
Improper use of herbicides or residues of herbicides may affect the normal emergence of corn. Sometimes even if it is barely seedling, there will be a dead seedling phenomenon.
Second, how to remedy corn after lack of seedlings?
1. The lack of seedling rate within 10% is generally recommended to strengthen the field management, not to fill the seedlings. In this case, no matter whether it is replanting seedlings or transplanting seedlings, small plants will be formed, which will affect the uniformity of the field, and eventually the size of the ears will be uneven, and the effect on yield increase is not obvious.
2, the lack of seedling rate is between 10% and 20%, it is recommended to replenish the seedlings. When replenishing the seedlings, it is necessary to supplement the varieties with relatively short growth period.
3, the lack of seedling rate is more than 50%, it is recommended to destroy the species, either to replant other crops, or to replant the early maturing varieties of corn.
The above are the reasons for the lack of corn and the remedial measures. In order to reduce the problem of seedlings in the late stage, the growers must do the seeding problem in the early stage, so that the labor cost can be effectively reduced.
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