Introduction to the planting method of "nutrition model student" spinach! How long will it take to harvest?

Spinach is one of the most common vegetables. Because of its rich nutrition, spinach is called "nutritional model student". It can be used to cook soup, cold salad, stir-fry alone, and stir-fry with meat dishes. It tastes smooth and tastes very good, and many people like it. So, how to grow spinach? The following is to introduce the method of growing spinach.

A brief introduction to spinach!

What's the name of spinach?

Spinach, also known as Persian food, Persian grass, red root vegetables, parrot vegetables, spinach, red root vegetables, dragon vegetables, etc., originated in Iran. When Tang Taizong was introduced into China as a tribute from Nepal, it was up to 1 meter high, with conical roots and reddish roots. the leaves are hastate to oval in shape and bright green in color.

2. Can spinach be eaten raw?

Spinach can not be eaten raw, because it contains more oxalic acid, and it will combine with calcium in the intestinal tract to form insoluble calcium oxalate, which interferes with the body's absorption of calcium; even if it is cold, it should be blanched with boiling water, and eating raw is not hygienic and tastes bad.

3. What are the taboos on spinach?

Spinach cannot be eaten with cucumbers, towel gourd, tofu, milk, pig liver, soybeans, calcium tablets, eels, belt fish, honey, leeks, pork, beef and other foods. and suffer from urinary calculi, gastrointestinal deficiency cold, thin stool, spleen and stomach weakness, kidney function weakness, nephritis, kidney stones and other diseases can not eat spinach, will affect health.

How to grow spinach?

1. Time

Spinach is a cold-tolerant vegetable. The seeds can germinate at 4 ℃, and the suitable temperature during the growing period is 15-20 ℃, and the growth is poor above 25 ℃. Therefore, spinach can be sown in all seasons; it is best to sow in March in spring, early May, late June, early July in summer, August to September in autumn, and from mid-October to early November in winter.

2. Soil

Spinach has strong adaptability to soil, but is not acid-resistant. The slightly acidic loam with loose and fertile soil, water and fertilizer conservation and good drainage and irrigation conditions should be selected. The pH value is between 5.5 and 7.

3. Sowing seeds

Spinach should be prepared before sowing, the land should be leveled and fine, and rotten organic fertilizer should be applied during soil preparation, and then make a bed, flat in summer and autumn, and a high border in winter and spring, with a width of 1.2-1.5 meters; pour enough bottom water on the border surface, sow the seeds, gently rake the topsoil with tooth rakes, sow the seeds into the soil, cover the border with a layer of plant ash, and then cover the border with plastic film or sunshade net.

4. Management

Spinach should always keep the soil warm and moist after sowing, and seedlings can be collected in 6-7 days; shading nets should still be covered after emergence, if it is spring, day and night cover, sunny cover and rain cover, if it is summer, sunny cover and overcast cover, late cover and early cover; timely seedling and weeding, grow 3-4 true leaves and irrigate once thin fertilizer water, and apply quick-acting nitrogen fertilizer 15 days before harvest. Its diseases are downy mildew, anthrax, insect pests are aphids, leaf miner, can be sprayed to control.

Third, how long can spinach be harvested?

The harvest time of spinach varies with the sowing time. If it is sown in March in spring, it usually takes 30-50 days to harvest, that is, from April to May; if it is sown in summer from May to July, it usually takes 40-45 days to harvest, that is, from late June to mid-September; if it is sown in autumn from August to September, it usually takes 30-40 days to harvest. If sowing in winter, it usually takes 60-70 days to harvest, that is, before the Spring Festival.

The above is the spinach planting method and harvest time introduction, I hope it will be useful to you.