Onion growing techniques, onion pictures
Last Update ：2024.12.09
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Its planting is relatively simple and can be carried out by broadcasting. It is recommended to choose the time in early September. It is also necessary to germinate first and wait until the seeds show small buds before sowing them to increase the germination rate. The seedlings will grow up in about a month after planting, and the value should be determined in time when 4 true leaves grow. Pay attention to the spacing between plants, which should be controlled at about 20 by 15 centimeters. In addition, in the later stage, attention should be paid to the management of water and fertilizer and the prevention and control of pests and diseases.
1. Germination and sowing
1. Germination and broadcasting
The sowing method is relatively simple, just use broadcasting method. The best time is around early September when the temperature is more suitable. In addition, it is recommended to carry out germination treatment first. Soak the prepared seeds in clean water for 12 hours, take them out to dry and place them at a temperature of 23 degrees, and then sow them when the buds appear.
2. Timely setting of value
It will take about a month after sowing that the small noodles will grow, and the value can be determined when 4 true leaves are found. When setting the value, pay attention to the spacing between plants and rows. It is recommended to control it at about 20 by 15 centimeters. It is also necessary to eliminate dwarf seedlings, leggy seedlings, and diseased seedlings, and only plant strong seedlings to facilitate management.
3. Post-production management
Small After the seedlings are planted, attention should be paid to water and fertilizer management and the prevention and control of pests and diseases. It likes moisture and should be treated with moisturizer. When topdressing, the main fertilizers are urea and nitrogen, phosphorus and potassium compound fertilizers. They must be added in time during the peak growth season and when the bulbs are enlarging. It is best to do it together with watering, which can be absorbed faster. The diseases that need to be controlled include purple spot, rust and downy mildew, and the most common pests are onion thistle. Once discovered, appropriate medication should be prescribed as soon as possible. In addition, you should pay attention to ventilation in normal times and timely drainage during rainy seasons.
4. Picture Appreciation
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