How many times can green onions be planted in a year?

Shallots belong to the Liliaceae family, Allium genus. Their young leaves and pseudostems are edible. The product is tender and has a strong and special aroma, and is often used as a seasoning. It seems that the demand for shallots is not high, but every household needs them. So how many times can shallots be planted in a year? Let’s take a look below.

1. How many times can green onions be planted in a year?

Scallions can be planted 2-3 times a year. The specific planting times and optimal planting times are as follows:

‌Spring crop‌: generally transplanted in January and harvested from March to mid-to-late April‌.

Summer crop: Transplant from late April to early June, harvest from May to late July.

Autumn crop: Transplant from August to late September, and put on the market from mid-to-late September to November.

‌Winter crop‌: Transplant from October to November, harvest from January to February‌.

2. Planting methods and techniques of shallots

‌1. Sow seeds at the right time

Scallions prefer a cool climate and have strong cold and heat resistance. The suitable temperature for germination is 13-20℃. They are generally sown in September and October, and the seedling period is about 40 days. The suitable temperature for growing green onions is 10-25℃. After sowing, a small arch shed should be built to keep warm.

2. Field preparation

It is advisable to choose flat, well-drained, fertile sandy loam for planting. The land must be carefully prepared and sufficient base fertilizer must be applied. The base fertilizer must be fully decomposed farmyard manure. Use 1000 kg per mu, plus 30-35 kg of phosphorus fertilizer and potassium fertilizer or 40 kg of triple compound fertilizer . Do not apply the fertilizer too deeply, generally it should be applied in the soil at a depth of 10-20 cm. After applying the base fertilizer, it should be raked finely and mixed thoroughly with the soil, and then ridges should be made. The bed height is 20-25 cm, the bed width is 1.2-1.5 meters, and the "three ditches" are well matched, which can be irrigated and drained.

3. Seed soaking and germination

Before sowing, soak the seeds in 30℃ warm water for 24 hours to remove the unripe seeds and impurities, rinse off the mucus on the seeds and then germinate. When germinating, wrap the soaked seeds with wet cloth and place them at 15-20℃ for germination. Rinse them with clean water 1-2 times a day. When 60% of the seeds turn white, they can be sown.

4. Seedbed seedling cultivation

The use of seedling transplanting is beneficial to improving the seed germination rate, cultivating strong seedlings, and laying the foundation for improving product quality and yield. To plant 1 mu of field, 1 kg of seeds is needed, and the seedbed is 1/10 of the field. Apply 200 kg of decomposed organic fertilizer and 3 kg of nitrogen, phosphorus and potassium compound fertilizer as base fertilizer for every 1/10 mu of seedling bed. After deep plowing and leveling, make a flat bed with a width of 1 to 1.2 m and a length of 10 to 20 m, and leave space for covering soil. Before sowing, fill the bed with enough water, and scatter the seeds evenly after the water seeps in. To ensure uniform sowing, mix 1 part of seeds with 10 parts of fine sand and then scatter them. After sowing, cover with 1 cm thick fine soil and build a plastic arch shed to keep warm and moist. After the seeds germinate, water them once with clear manure water, and then again after 15 to 20 days to promote the growth of seedlings.

5. Planting density

There are two ways to transplant and plant. One is to plant young onion seedlings that are about 40 days old. The second is to plant the bulbs (old onions ) left over from the previous season. The transplanting row spacing is 10cm, the hole spacing is 3-5cm, 2-3 plants are planted in each hole, and about 200,000 plants are planted per mu. The sowing and transplanting depth is 2.5 to 3.0 cm, and water should be applied promptly after planting. If there is insufficient labor for transplanting, consider sowing seeds directly in the field. For direct seeding, dig furrows on the bed surface with a furrow spacing of 10 to 15 cm. Thin out the seedlings appropriately after emergence, keeping a plant spacing of 2 to 3 cm. Plant 180,000 to 220,000 plants per mu.

6. Fertilizer and water management

The root system of shallots is shallow and their absorption capacity is weak, so they are not tolerant to concentrated fertilizers and drought, and have poor competitiveness with weeds. Therefore, in terms of water and fertilizer management, you must water frequently with small amounts to keep the soil moist. Generally, water once every 7 days or so in combination with topdressing. You can use 10% decomposed dilute manure water or 0.5% urea dilute fertilizer water to irrigate 1000 kg per mu.

7. Timely listing

Scallions begin to tiller after being planted. Generally, the plants will be lush 60 to 90 days after planting and can be harvested and put on the market.

That’s it