Onion planting technology, onion pictures

Onion planting technology, onion pictures

1. Germination and sowing

Its sowing method is relatively simple, just broadcast it directly. 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 and dry them, place them in an environment with a temperature of 23 degrees, and sow them when they sprout.

2. Timely Valuation

It will take about a month for the small surface to grow after sowing, and the planting can be started when 4 true leaves are found. When setting the value, pay attention to the spacing between rows and plants. It is recommended to control it at about 20 by 15 cm. It is also necessary to eliminate short seedlings, leggy seedlings, and diseased seedlings, and only plant healthy seedlings to facilitate management.

3. Post-management

After planting the seedlings, pay attention to water and fertilizer management as well as disease and pest control. It likes moisture and should be treated with moisturizing. When applying top dressing, the main types of fertilizers to choose 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 swelling. It is best to do it together with watering so that they can be absorbed faster. The diseases that need to be prevented and controlled include purple spot disease, rust and downy mildew, and the insect pests are mostly onion thistles. Once discovered, take appropriate measures as soon as possible. In addition, you should pay attention to ventilation at ordinary times and drain water in time during the rainy season.

4. Picture appreciation





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