Keep in mind the preventive measures for the emergence of corn seedlings
Attentive farmer friends may notice that corn grows in different sizes during the growth process. The productivity of a single plant of corn is high. If one plant is lacked, the yield is 150-300 grams, and the shortage of seedlings is 10%. The yield per mu is reduced by 60-80 kg. Therefore, to ensure that the whole seedling is a prerequisite for high yield of corn. So why do the corn seedlings grow in different sizes on the same land, the same variety, and sowing seeds at the same time? Disclaimer: Some articles of this website are transferred from the Internet. If the legal rights of third parties are involved, please inform this website for processing. phone Fast Shipping Laser Distance Sensor Hi there, Fast Shipping Laser Distance Sensor,Serial Laser Distance Sensors,USB Laser Distance Sensors,RS232 Laser Distance Sensors Chengdu JRT Meter Technology Co., Ltd , https://www.jrt-measure.com
The reason for the appearance of small and large seedlings is uneven soil moisture. When the weather is dry, it will cause uneven soil moisture. In the places with better soil moisture, the corn emerges early, and in the areas with poor soil moisture, the corn emerges late, and the emergence of the corn will also cause uneven growth of small and large seedlings. .
The depth of sowing varies. If the quality of the land preparation is poor, the soil will have unevenness. When using mechanical sowing, the sowing will be deep in the high places and shallow in the low places; Due to the influence of Shijiazhuang, the planting depth varies. In the case of good soil moisture, the late seedling emergence is late, and the shallow seedling emerges early; in dry weather, the deep seedling emergence early, and the shallow seedling emergence late, will also form large and small seedlings.
If the seeds are not graded and the quality of the damaged corn species is affected, the emergence of corn will also be affected. Some corn seeds are not graded and selected, and the size of the seeds is inconsistent, which will also result in strong seedlings of large seeds and weak seedlings of small seeds, which will start from the seedling stage. There appeared small and large seedlings.
Measures to prevent the emergence of small and large seedlings 1. Select high-purity and high-germination high-quality seeds, grading the seeds, sowing seeds with large, neat and consistent seeds, and mix the seeds with medicine.
2. Strictly control the quality of site planting and achieve high-standard operations to ensure that all seedlings and all seedlings are sown.
3. If it is too late to soak the bottom water during sowing, the topping water after sowing requires shallow irrigation and even irrigation. This is an important measure to maintain seedlings in arid areas.
4. Suppression after sowing can increase the contact between the seeds and the soil, and strengthen the absorption of soil moisture by the seeds; it is conducive to the rise of the soil moisture in the lower layer and improves the moisture content of the seed layer to facilitate the emergence of seeds.
5. Prevent emergent pests in time after emergence to avoid lack of seedlings.
6. If it is found that there is a lack of seedlings and ridges, etc., the seedlings should be checked and replanted or transplanted in time.
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