How to grow amaranth? Amaranth is an annual vegetable of the family Aphididae. It is one of the main leafy vegetables in summer and is a high-temperature short-day plant. Feed on seedlings and tender stems and leaves. The cultivation of greenhouses in early spring is one of the main varieties of crossing springs. When planted in early July and early July, it can solve the problem. Sowing in greenhouses in October will increase the variety of winter vegetable market.
1. Variety selection
Red round leafhopper, red willow leafhopper, green round leafhopper, flower leaf round leafhopper.
2. Soil preparation and fertilization
Fertilization is based on organic fertilizer to improve soil structure. Apply 4-5 tons of organic fertilizer per 667 square meters of land and 10 kilograms of urea. Spread evenly on the soil and turn the soil for hoeing. In order to facilitate the use of small arch sheds, the enamel surface is preferably 1.2 meters wide. The whole land should be fine, flattened and flattened with a spade, so you can sow.
3. Sowing seedlings
Early spring cultivation of leeks is usually sown in the greenhouse before and after the spring. Since the seeds are too small, the seeds should be mixed with the appropriate amount of grass ash after sowing, which is good for uniformity. The amount of seeds used per 667 square meters is about 250 grams. Seeding in early spring should increase the amount of seeding. After the sowing, sprinkle warm water with a sprinkler. Do not overdo it, then cover with a layer of ash or old ash. Cover the mulch and not shed, and after the emergence of the seedlings, uncover the small shed.
4. Field management
The early management is mainly temperature and light management. In principle, the temperature in the greenhouse is below 30 °C, mainly in closed sheds. In the rainy days and evenings, the lights are filled for 1-2 hours to prevent early bolting.
(1) Weeding: During the growth period of leeks, weeds are also prosperous, and weeding should be done early.
(2) Disease prevention: It is mainly a squatting disease. After every 7-10 days after the film is uncovered, spray 500 times 75% chlorothalonil liquid.
(3) Topdressing: When the amaranth grows to the three leaves, chase 1% of the urea, which can be sprayed with a watering can to promote rapid growth.
(4) Timely harvesting: It can be harvested and listed in time according to the market conditions. Generally speaking, the earlier, the higher the price.
5. Interplanting other vegetable crops at the right time
In the greenhouse, the leeks are cultivated in the early spring. Before and after the start of harvesting, the vegetables to be planted can be planted in the greenhouse to fully exert the role of the greenhouse and improve economic benefits. The crops are melons and solanides.
6. Cultivation of chives in autumn and winter
The shed should be buckled in early October to prevent frost. In the future, depending on the temperature change, multiple layers of coverage can be adopted. However, in the autumn and winter cultivation of leeks, the latest sowing period should be in early November. The remaining cultivation techniques are the same as those in spring.
The above is the cultivation technology points of leafy vegetables and leeks. Welcome all the friends of the vegetable farmers to come to Huinong.com to download the mobile phone. You can learn more about the cultivation techniques of vegetables at any time!
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