How to grow shallot

Scallion is a kind of crop introduced from Japan to Jilin Province. It is planted in the courtyards of most farmers' families in Northeast China. How do you grow shallot?

How do you grow shallot?

1. Soil preparation and fertilization

The cultivation of scallion should choose a flat plot, and it is a neutral soil with loose soil, strong water and fertility conservation and convenient drainage and irrigation. Before planting, the land should be leveled and raked fine, and high-quality mature farm fertilizer and nitrogen, phosphorus and potassium compound fertilizer should be applied, and the amount of fertilizer should be determined according to the actual situation.

two。 Sowing and raising seedlings

Spring onions are generally sown from April 5 to April 10 (specifically advanced or postponed according to the weather and other factors). Each ridge is planted in two rows, the plant spacing is 10 cm, the row spacing is 15 cm, the ridge surface is properly widened before planting, and the soil cover is completed. After planting, cover the soil 1-2 cm. After the spring onions come out, depending on the situation of the grass, you can carry out three shovels and three times to weed and loosen the soil among the seedlings.

3. Topdressing irrigation

Spring onions can be irrigated and planted in large areas when they encounter drought during the growing period, and sprinkler irrigation can be used to keep the soil moist for growth. In general, sprinkler irrigation is required if there is no rain for 7 days. Each mu of land is divided into three times to apply urea, usually artificial flat spreading of ridge surface, and then spraying water to promote its melting and absorption, from late May to early June.

4. Pest control

Attention should be paid to downy mildew, gray mildew, purple spot, pests such as onion thrips and other diseases and pests, which can be controlled by spraying corresponding pesticides in advance.

In addition, when the outer scale of the bulb of scallion becomes dry, it should be harvested in time, otherwise it will affect the quality and yield.