Spinach is usually planted in early spring. When the weather temperature rises above 7℃, the soil can be planted after thawing. Late March is the best sowing date; The planting time of summer spinach is generally around June, autumn spinach is generally around the end of September, and winter spinach is around the end of 10.

2. Orchard soil

In the planting method of spinach, we should also prepare suitable soil, try to choose slightly acidic soil with sufficient nutrients and convenient drainage of spinach roots, control the soil pH value between 5 and 6.5, and bury 3000 kilograms of farm manure in the soil before sowing, which can improve the germination rate of seeds.

3. Seed treatment

Generally speaking, seeds are sown by drilling holes. Put the selected seeds in warm water at 35℃ for 65,438+00 hours, and then store them in the refrigerator for 5 hours, or in the freezer for 7 hours. Take it out, germinate it at about 22℃, and sow it when it grows tender tips.

Step 4 sow seeds

About 4 kilograms of seeds should be planted on an acre of land. It is suggested to sow dry seeds in spring and wet seeds in other seasons. After sowing in summer or autumn, it is necessary to use a sunshade net or cover the soil with a layer of dry straw, which can effectively resist direct sunlight and high temperature, and seedlings can emerge after one week. In winter, the temperature is low, so it is necessary to cover the soil with breathable film, and seedlings can emerge in 10 days.