Preparations for hydroponics green onions Cultivation steps for hydroponics green onions Conservation and management of hydroponics green onions Harvest and preservation With the fast pace of urban life, more and more people are trying to grow green vegetables at home. Hydroponics, as a soilless cultivation technique, is becoming more and more popular because of its simple operation, space-saving and environmentally friendly advantages. Let us introduce in detail the correct method to hydroponics green onions, so that you can easily grow green and healthy green onions at home. Preparations for hydroponics of green onions 1. Choose varieties: Hydroponics of green onions should choose varieties with developed root systems and hydroponics resistance, such as "white-skinned green onions" and "red-skinned green onions".
2. Seed treatment: Soak the green onion seeds in warm water for 12 hours to make the seeds fully absorb water.
3. Prepare containers: Choose transparent containers, such as glass bottles, plastic boxes, etc., with drainage holes left at the bottom.
4. Hydroponics base: There are special hydroponics bases on the market. If not, vermiculite, perlite, etc. can be used as hydroponics bases. Planting steps of hydroponically cultivating green onions 1. After preparing the seeds and containers, put the hydroponically cultivating base into the container and fill the hydroponically cultivating base.
2. Sprinkle the soaked green onion seeds evenly on a hydroculture base and cover them with a fine mesh sieve to prevent the seeds from sinking to the bottom of the water.
3. Place the container in a place with sufficient scattered light and keep the temperature between 15-25℃.
4. Observe the germination of seeds every day, add clear water at a timely time, and keep the hydroculture base moist.
5. When most of the seeds have germinated, remove the fine mesh screen covering it to allow the seedlings to grow freely. Maintenance and management of hydroponic onions 1. Light: Hydroponic onions require sufficient light to ensure 4-6 hours of scattered light every day.
2. Water quality: Keep the water quality clean, replace the water once a week, and add a small amount of nutrient solution.
3. Temperature: Maintain a suitable temperature and avoid too high or too low temperatures.
4. Watering: Water timely according to the humidity of the water base in the container to keep it moist.
5. Pest and pest control: Pay attention to observe the growth of seedlings and deal with pests and diseases found in a timely manner. Harvest and preservation 1. The growth cycle of hydroponic onions is generally 60-80 days. When the height of the onions reaches 20-30 cm, they can be harvested.
2. When harvesting, use scissors to cut off the green onions from the roots and clean them.
3. Put the harvested green onions into a plastic bag and store them in the refrigerator to extend the preservation period.
Hydroponics green onions are a simple, easy, environmentally friendly and healthy planting method. Through the above methods, you can easily grow green and healthy green onions at home. Hydroponics green onions can also beautify the home environment and add a touch of greenery to your dining table.
References: "Guide to Home Gardening Planting", China Agricultural Press, 2018 edition.
"Hydroponics Vegetable Cultivation Techniques", China Agricultural Press, 2019 edition.