The cultivation of seedlings of snake melon has environmental requirements

Snake gourd is a vegetable and cultivar introduced by farmers in the south of the county in recent years. According to planting surveys, the snake gourd is warm, strong and resistant to heat. The roots are well-developed, relatively resistant to thin, and can also be fat-tolerant. They have wide adaptability to Tucheng and can be planted on various slopes. Snake gourd is also more resistant to early, in the area where the water level is not too low (because there is a certain degree of humidity on the land), can grow without irrigation, but in the fertile land stalks grow vigorously, the result is more, snake gourd hi humid, in The cultivation of snake melon under relatively humid soil and high air humidity has high yield.
Snake gourd in Shanghang County, Fujian Province, the protection of nursery period in February to March, transplanting period in April. Sowing seedlings should be carried out 20 to 40 days before planting. The seedbeds should be set in protected areas. Before sowing, they should be soaked in warm water at 55°C for 15 minutes, then soaked for 1 day after rapid cooling, so that the seeds can absorb enough water to promote germination. After soaking, germinate with a gauze or a towel wrapped at a temperature of 30-33°C, and then sow the seeds after the break. After sowing, cover the earth 1.5 to 2 centimeters, and then cover the mulch at the extreme, so that it can keep warm and moisturize. Pre-emergence temperature control at 30 ~ 35 °C, the seedlings uncovered after uncovering the plastic film, the daytime temperature control at 20 ~ 30 °C, at night, 15 ~ 20 °C, 7 days before planting, pay attention to ventilation cooling seedlings.

Plant Extract

Plant extracts are substances extracted or processed from all or a part of plants as raw materials using appropriate solvents or methods, which can be used in the pharmaceutical industry, food industry, health industry, beauty industry and other industries. Plant extracts mainly take plants as raw materials, according to the needs of the use of the extracted final products, through the process of physical and chemical extraction, extraction and separation, directional acquisition and concentration of one or more effective components in plants, without changing the structure of its effective components and the formation of products. According to the different components of extracted plants, glucosides, acids, polyphenols, polysaccharides, terpenoids, flavonoids, alkaloids, etc.; According to different characters, it can be divided into vegetable oil, extract, powder, lens and so on. The plant extract industry has developed in the last 20 years and is used in the pharmaceutical, fine chemical and agricultural industries.

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