Green onions and the shallots we usually eat are not a concept. The green onions here usually refer to the kind of onion that is eaten by the northerners. It is a kind of spicy and strong, and many people are not used to eating. Let's learn about the cultivation conditions, planting techniques and time of green onion together.
First, planting time
Autumn species
Generally, it is planted in the first half of September in the first year of autumn, and planted in the middle of May in the second year of the second year.
2. Spring species
In the early spring, the soil can be sown after thawing.
3. Summer species
Summer sowing is generally called from the end of July to the beginning of August each year.
Second, planting conditions
Soil
The pH value of the green onion planting soil is 6.5 to 7.5, and the water in the soil can be controlled about 10 to 15 days before planting to prevent lodging.
2. Fertilizer
Fertilization of green onion requires balanced application of phosphorus, potassium and nitrogen fertilizer. The demand for nitrogen fertilizer is high in the early stage of growth, and the demand for phosphorus and potassium fertilizer is more in the later stage.
3. Temperature
Green onions are good in resistance, both cold and heat resistant.
4. Moisture
The roots of green onions are more afraid of cockroaches, and high temperatures and high humidity can easily cause death.
5. Lighting
The intensity requirement of the green onion for the sun is as long as it is moderate, and the strong light will cause the quality to drop.
Third, the planting method
Before colonization
Before planting the green onions, separate the large and small seedlings, and then remove the weak seedlings. When planting, the leaf surface of the green onion can be arranged in a vertical direction with the cultivated plot, so as to facilitate close planting and convenient management.
2. Colonization
When planting, you should first make a shallow hole, which is perpendicular to the ground. The planting should be planted on the same side of the onion ditch. This is to facilitate drainage during the rainy season.
3. After colonization
The loose soil on both sides of the onion plant should be compacted and then watered.
The above is the whole content of the cultivation of the green onion, you can share the reference, and welcome to give advice!
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