Maize is one of the major food crops in China. Although the annual maize output keeps increasing, during the corn planting process, the low germination rate of maize seeds causes the phenomenon of lack of seedlings and broken corn, which affects the stability of corn production. Especially in some climate-specific years, the problem is even more serious.
The main factors affecting the germination of corn seed are the maturity of corn seed, seed variety, moisture, temperature, air and seed traits. Maize seed selection and treatment are all humanly tractable. However, corn seeds must absorb 35% to 37% of the water content of air-dried seeds from the time they are sucked to germinate. If the soil moisture is too low, the seed will not absorb the water needed. The water can not germinate, if the soil water is too much, it will affect the respiratory metabolism of the seeds, thus affecting the germination of seeds, and the soil moisture requirements of different soils are not the same. At the same time, too high or too low a temperature will also affect the normal germination of the seeds. When sowing the corn in the field, soil loosening, good ventilation, too deep sowing, excessive soil moisture or excessive compactness, poor soil permeability, and insufficient oxygen are required. Affects seed germination. Therefore, an effective measure to increase the germination rate of corn seeds is to provide maize seeds with a suitable environment such as moisture, temperature and air. With the development of agricultural science and technology, the precision seed germination box has been developed and widely used. It is a fully automated microcomputer-controlled, integrated control panel. The touch switch can be used to set the operating time, temperature, humidity, and illumination value of each experimental section. It can display the experiment period (days), running time, actual temperature and humidity values ​​(automatic humidification and dehumidification), setting temperature and humidity values, remaining time, and light level. And have cycle conversion function. With ultra-warm sensor abnormal protection, ensure the safety of instruments and samples; matching the full-spectrum plant growth lamp is conducive to plant growth and improve disease resistance. The current use of seed germination boxes is the most effective measure to increase the seed germination rate.
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