Onion planting time
Onions are suitable for sowing in April every spring. At this time, the temperature and humidity are most conducive to the growth of onions. After planting, we should not only provide it with enough water to ensure the normal development of the plant, but also fertilize it every ten days to provide it with the necessary nutrients to make it grow faster and yield higher.
Planting methods and key points of onion
1, variety selection
Choose varieties suitable for planting in the planting area, such as Zhangqiu green onion and green onion. Suitable varieties can be more easily propagated, and the long green onions are not so spicy, and the scallions will be short, which can be used to eat scallion leaves.
2. Land selection and land preparation
To grow onions, you should choose sandy loam with deep and fertile soil layer and good water locking ability, turn over the soil in advance and turn to a place about 25 cm from the ground. Onions can't grow without fertilizers, so some base fertilizers can also be added to the soil.
Matters needing attention in onion planting
1, temperature requirements
Onions are cold and heat resistant. Normal temperature has little effect on its growth, but suitable temperature conditions will better improve its yield and quality.
2. Humidity requirements
Onion has few roots, and its ability to absorb water and nutrients is poor. It can't go deep into the soil, but it likes water very much, so people who need to plant it can increase the watering times according to the soil conditions.