1, seedling raising
The seed quantity of scallion is 2-4 kg per mu. Before sowing, you can soak the seeds to accelerate germination, and cover the soil about 2 cm after sowing.
Step 2 plant
The planting period depends on the variety and local climate, and it can be rotated with wheat, barley, spring cabbage and other crops. Green onions were originally planted in a ditch, and the distance between ditches depends on the length of green onions.
3. Tian Tuan management
(1) water and intertillage
The weather is not very dry, so it is generally not suitable for watering. It is necessary to strengthen intertillage weeding, loosen topsoil, store water and conserve moisture, and promote root system development. Drain water during heavy rain to prevent rotten roots, yellow leaves and dead seedlings.
(2) Topdressing
Generally speaking, it starts in autumn, combining irrigation and soil improvement.
Onion is a kind of onion, which is divided into ordinary onion, chopped onion, Hu onion and Lou onion. The scallion is pungent and slightly warm, and has the functions of releasing yang, detoxifying and seasoning, sweating, inhibiting bacteria and relaxing blood vessels.
Mainly used for wind-cold common cold, aversion to cold and fever, headache and nasal congestion, abdominal pain due to yin cold, dysentery and diarrhea, internal resistance of insect accumulation, milk obstruction, and unfavorable stool.
Onion contains volatile oil, mainly allicin, and also contains diene sulfide and calcium oxalate. In addition, it also contains fat, sugar, carotene, vitamin B, vitamin C, nicotinic acid, calcium, magnesium, iron and other ingredients.
It is a perennial herb with cylindrical leaves, hollow middle, fragile and easy to fold, and blue. Onion is often eaten as a very common spice or vegetable in East Asian countries and Chinese areas around the world, and plays an important role in oriental cooking. However, in Shandong, there is a way to eat green onions dipped in sauce.