How long is the leek planting and harvesting time? Leek high-efficiency planting technology explanation
How long is the leek planting and harvesting time? It is said that on the third day of the third month of the lunar calendar, boiled eggs with leeks can ensure that there is no disease, no pain and good health in one year. Although it is somewhat exaggerated, the nutritional value of leeks can not be ignored. The child's headache is hot, and if the adult eats, it will also strengthen the body and the ears will be bright. Therefore, today Xiaobian talks about the efficient planting technique of amaranth, and hopes to help everyone.
1. How long is the amaranth planting and harvesting time?
1, amaranth planting time
a, artificial cultivation
It can be planted in spring, summer and autumn.
Spring: sowing from late February to late April;
Summer: planting from early July to late August;
Autumn: sowing from early September to early October
b. It is feasible to cultivate in the second season in North China.
Spring: sowing from early March to late April;
Autumn: from early July to mid-September.
c. Use plastic greenhouse or greenhouse cultivation
Sowing from the beginning of October to the beginning of February of the next year.
2, leek harvest time
a, spring sowing and summer sowing
The number of days from sowing to harvesting is generally 30-50 days, and the number of harvests is 1-2 times.
b, autumn broadcast
The harvesting time is 30-35 days from sowing to harvesting, and the number of harvesting is 4-5 times.
c, harvesting matters
Large plants with 10-13 true leaves were selected for harvesting, rooted and excavated, leaving medium and small seedlings to continue to grow, and timely watering and fertilizing after harvesting.
Second, high-efficiency planting techniques
1, variety
There are two types of leeks cultivars: leeks and leeks, and when planting, choose the variety suitable for the local environment.
2, sowing
When sowing, the method of spreading is used. The amount of spring sowing per 667m2 is 0.75-1kg, the amount of summer sowing is 2-2.5kg, and the amount of autumn sowing is 1-1.5kg. After sowing, the surface is compacted with feet.
3, field management
a. After planting, it is necessary to do a shading and cooling measures to reduce the transpiration of the surface water, which can cover the shading net, and the net can be opened in the evening.
b. The growth period of spring and summer sowing is short, and the topdressing is generally 1-2 times; the growth period of autumn sowing is long, and the topdressing is 3-4 times; for every 667 m2, the manure and urine of human and animal are 1500-2000 kg.
c. Keep the soil moist, and drain it in time after the rain. The next morning, use a watering can to splash off the leaves or the cabbage mud, otherwise it will affect the growth.
4, keep seed
a. Cultivation of leeks should be established to keep the fields, and do not keep seeds in the fields.
b. The seeding period of the remaining seeding field is generally in the first ten days of October, and the amount of each 667 m2 is 1 kg.
c. 3-4 times after emergence, remove the early shy seedlings.
d. Appropriate control of nitrogen fertilizer, increase of phosphorus and potassium fertilizer, and good pest control measures.
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