Since ancient times, planting flowers and enjoying them have always been regarded as the best choice to cultivate sentiment and relax. Traditional flowers are polluted in the process of planting, so it is difficult to cultivate them in the soil, and it is increasingly difficult to meet the pursuit of modern people to enjoy flowers. Because hydroponic flowers began to appear in people's field of vision, its unique cultivation method created many advantages such as less pollution, convenient cultivation, sanitation and cleanliness. The living environment of hydroponic flowers is in water, and the plants themselves can be semi-submersible or fully submersible. They absorb nutrients in a special way, just as soil flowers absorb nutrients from soil, they get them from water. Nutrients such as calcium nitrate, potassium nitrate, magnesium nitrate, ferrous sulfate, ammonium molybdate, etc. are added to the water of the cultivator, and the flowers absorb the nutrients dissolved in the water through the roots for the plants to grow and reproduce themselves. Its cultivation method not only breaks the limitations of traditional flower cultivation, but also shows great flexibility in the principle of flowerpot. The cultivation process is simple, and it is very convenient for cooking and cleaning flowers. Compared with traditional soil-cultivated flowers, hydroponic flowers have incomparable ornamental and artistic value. It has considerable planting prospects.

1 Suitable for growing flowers.

The technique of hydroponic flowers requires that the roots of plants can meet the aquatic conditions. Common flower species suitable for solution culture technology include leaves, Araceae, flowering plants and cactus. These hydroponic flowers have the following characteristics. Plants are easy to survive, roots are not easy to rot, and the environment is properly regulated, which is the darling of the flower market, and breeders can produce economic effects in a short time [1].

1. 1 cyclamen

Cyclamen, also known as radish begonia, is botanically classified as Primulaceae and Cyclamen. Cyclamen is very beautiful when it blooms. Bundles of flowers protrude from the green leaves like a torch. Petals are composed of five petals, and the colors are rose red, pink, yellow and white. The leaves are of moderate size, with serrated edges and white parts. On the whole, as the name suggests, standing on the green leaves is graceful and touching. Cyclamen likes warmth and is afraid of heat [2].

1.2 Fuguizhu

1.3 Eclipta prostrata

1.4 evergreen tree

1.5 Liriodendron chinense

1.6 Narcissus

2. Cultivation of hydroponic flowers

2. 1 Selection of hydroponic containers

2.2 Acquisition and treatment of hydroponic materials

2.2 Establishment of seedbed

2.3 Preparation of nutrient solution

2.4 Cultivate flower seedlings

3. Cultivation techniques of hydroponic flowers

3. 1 Change water for fertilization

3.2 Control water level and water temperature

3.3 Humidity Control and Oxygen Ventilation

3.4 timely pruning and pest control

4 Matters needing attention of hydroponic flowers

5 Hydroponics Flower Market Prospect

To sum up, hydroponic flowers have many advantages, such as ornamental, oxygenation, humidification effect, cleanliness and hygiene. , they have great use value. In addition, flowers can be consumed by ordinary families, and the market prospect is considerable. Hydroponics is an industry that has just started. At present, there is no factory chain flower planting base in China, which is less competitive and in a high profit period [18]. At present, hydroponic flowers are in the initial stage in China and have obvious advantages. Its share in the domestic market is expected to expand. As soon as hydroponic flowers appeared, they immediately occupied a certain share in the flower market, and their incomparable advantages such as cleanliness, simplicity and beauty quickly came to the flower market. In first-tier cities such as Beijing, Shanghai and Guangzhou, as well as second-tier cities such as Taiyuan, hydroponic flowers are very popular and have become elegant and healthy consumption fashion [19]. I believe that one day, hydroponic flowers will come into everyone's life. ...

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