Fresh and tender, and rich in nutrition, it is favored by consumers. It has become one of the most popular vegetable varieties among citizens, and the market is optimistic. The cultivation methods of greenhouse amaranth are as follows:

First, select good varieties. Select color pupae with good palatability, high yield, strong stress resistance, and cold resistance, such as the red leaf garden type red robe, full leaf red, etc.

2. Fertilization for land preparation Select land with flat terrain, fertile soil, convenient drainage and irrigation, and few weeds. At the beginning of November, plough 15 cm-20 cm, and combine deep ploughing with 3000 kg of high-quality rotten organic fertilizer per acre and 25 kg of diammonium phosphate as base fertilizer . After that, the flat buns with a width of 1 meter to 1.2 meters were made.

3. Sowing at the right time Sowing can be done in mid-to-late November. Before planting, irrigate the bottom water with 3 kg-4 kg of seed per acre. Spread the seed with an appropriate amount of fine sand and spread it evenly on the hoe surface. Use your feet to cover or cover a layer of dung and cover the film. Thereafter, 2 meters long bamboo strips were used to support small arch sheds with a height of 70 cm to 80 cm, and covered with a film.

Fourth, strengthen management On the basis of watering the bottom of the water, no watering before emergence, 5-7 days can emerge. After the cotyledons were unearthed, the mulching film was removed and the weeding seedlings were carried out *. When two true leaves are grown, the second weeding and seedlings are carried out, and the top fertilizer and watering are used for the second time. Generally, 10 kg of nitrogen and phosphorus compound fertilizer is applied per acre, and the second fertilizer is applied after 15 days. Apply 5 kg of compound fertilizer, after each harvest, topdressing and watering once, 5 kg-10 kg of fertilizer per mu or 1000 kg of sparse human and animal manure. At the end of March of the following year, when the temperature rises, the small arch shed can be removed to enhance ventilation to avoid high-temperature burning of seedlings and prevent and control amaranth white rust.

5. Collect amaranth in time to grow to 4-6 leaves, plant height 10cm-15cm, and then plant large amaranth at the same time, and replant amaranth at the same time, so that it can be harvested in batches until clearing in early June. Keep in mind that every time you harvest, you should keep the big and small, and even the seedlings to increase the yield.

Because amaranth has strong heat resistance, it is one of the main types of green leafy vegetables grown in summer and autumn. It is more commonly cultivated in the spring and summer in the south, especially in Shanghai, Nanjing, Hangzhou and other places. The cultivation area is relatively large.

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