Planting techniques of winter cold vegetables

Timely sowing: sowing or burrowing is adopted, and the specific time is determined according to the situation in the field. | | Field management: winter cold vegetables should be irrigated with thin manure in time after sowing and topdressing in the peak growing season. | | seed harvested: spring sowing and winter cold vegetables in North China are harvested about two months after sowing, and can wait for seed after flowering. |

Matters needing attention in planting winter vegetables:

1. Planting time

Winter vegetables are suitable for spring sowing and autumn sowing. Spring sowing in protected cultivation was sown in February and the sowing date was in late September. Generally, hole sowing is adopted. Before sowing, 2000-3000 kg of mature organic fertilizer and 50 kg of compound fertilizer are applied per mu, with 4-5 seeds per hole, and the plant spacing is 35 × 35 cm. After sowing, cover the seeds with fine mud, cover the border with sunshade net, and pour enough bottom water to keep the soil moist.

two。 Water and fertilizer management

The ability of absorbing water and fertilizer in the seedling stage of winter cold vegetable is weak, and the weeds on the border are growing vigorously, so it is necessary to weed in time and loosen the soil frequently to avoid soil consolidation. Winter vegetables need a large amount of fertilizer, and it can be drenched with rotten dilute manure water as seed fertilizer after sowing, which can cover up the seeds and facilitate germination. After emergence, thin human feces and urine can be lightly poured. Human feces and urine should be applied per mu before the first harvest. In addition, winter vegetables are in the spring. Water once every 10 days and sow in autumn 5? Watering once every 7 days to promote plant growth.

3. Harvest

For the harvested seedlings, about 50 days after sowing, the seedlings can be combined and harvested; for the edible tender shoots, the upper leaf tips can be harvested when the plant height is 18 cm. If there are too many nodes left near the ground in spring, the lateral branches will occur too much, the nutrients will be dispersed, the shoot of tender leaves will not be thick, and the quality will be poor. Set aside 4-5 harvests in other seasons.

The above is the full introduction of the cultivation of winter vegetables by the editor of Tuliu.com. I hope it will be helpful to you.