Are onions and onions the same dish?

Onion is a kind of food often eaten in daily life, it tastes sweet and slightly spicy, so onion and onion are the same dish?

Are onions and onions the same dish?

Onions and onions are a kind of plant, and people in some areas also call onions onions. Onion is a perennial herb of Liliaceae and Allium, and it is also a kind of seasoning vegetable for daily consumption.

Onions are native to Central Asia or West Asia, and are now cultivated all over the world. The main planting areas in China are Jinxiang, Yutai, Shan County and Pingdu in Shandong, Fengxian in Jiangsu, Jiuquan and Wuwei in Gansu, Yuanmou in Yunnan, Dongchuan in Yunnan and Xichang in Sichuan.

2. Cultivation techniques of onion

1. Lighting

Onion is a long-day crop, which requires more than 14 hours of long sunshine during bulb expansion and bolting and flowering. Under the condition of high temperature and short sunshine, only long leaves can not form onions.

2. Watering

Sufficient water should be supplied at germination stage, seedling growth stage and bulb expansion stage. However, it is necessary to control moisture in the seedling stage and before overwintering to prevent the seedlings from growing and suffering frost injury. Irrigation should be controlled 12 weeks before harvest to enrich the bulb tissue, accelerate maturation and prevent bulb cracking. Onion leaves are resistant to drought and are suitable for 60% to 70% humidity. High air humidity is prone to diseases.

3. Temperature

Onion seeds and bulbs germinated slowly at 3 ℃ and began to accelerate at 12 ℃. The optimum temperature for seedling growth was 12 ℃, 18 ℃ for leaves and 20 ℃ for bulbs. Healthy seedlings could tolerate the low temperature of ~ 6 ℃. Bulb expansion needs higher temperature, bulb can not expand below 15 ℃, 21-27 ℃ growth is the best. If the temperature is too high, it will grow and decline and go into dormancy.

4. Soil

Onion is suitable in neutral loam with loose fertility and good aeration, sandy loam is easy to obtain high yield, onion root system has weak fertilizer absorption capacity, and sufficient nutritional conditions are needed for high yield.