The distribution range of foreign land
The origin of the ocean yellow is Europe, mainly in the mountains and southern parts of Europe. In China, the ocean yellow has been widely cultivated in Shanghai, Jiangsu, Zhejiang, and Shandong.
Methods of foreign yellow cultivation
Light and temperature
Foreign Huang likes the sun, but also a little bit of coolness. When the blossoms are yellow, the light is enhanced, which is conducive to the blossoming of the ocean. In terms of temperature, the appropriate temperature of foreign yellow growth is between 12 ° C and 19 ° C. In the growing period, the temperature is best to remain at about 20 ° C, otherwise it will grow and reduce flowering.
soil
The soil required for the growth of the ocean is required to have a good drainability and need to apply a certain amount of base fertilizer, but the yellow land yellow can also resist a certain amount of barren.
Water and fertilizer management
Western yellow has a large requirements for water and fertilizer. During the process of breeding, the management of water and fertilizer needs to be done. After planting the ocean yellow, it is necessary to water and fertilize in time to keep the pot soil moist, and the humidity of the air must be kept at a high level. During the growing period of the ocean, it takes one half a month to apply it for fertilizer, and it must be supplemented with various elements. Note that fertilization cannot be sticking to the blades.
Breeding method
Oceanic yellow reproduction is usually used for sowing.
Precautions for the cultivation of the foreign country
toxicity
Although foreign yellow can be used as medicine, it is also very toxic. It is poisonous. During the breeding process, it needs to pay attention to its toxicity.
Pest
Oceanic yellow often encounters the infringement of anthracnose, stem rot and leaf spots. There will also be a dangers of aphids, beetles, and aphrodisiac, which need to be discovered in time for prevention and treatment.