Growing young seedlings is an important measure in greenhouse vegetable cultivation. The cultivation period of vegetables in spring sheds is 1 to 4 months earlier than the open season. The external environmental conditions are very poor. Sometimes the light is insufficient and the soil temperature and night temperature are also low. Therefore, only the strong seedlings can adapt to the unfavorable environmental conditions and finally obtain a bumper harvest.
Unearthed management
After the seedlings are unearthed, strong light should be given to ensure a longer light time. For breeding seedlings of thermophilic vegetable seedlings, the temperature should be controlled between 20°C and 25°C during the day and 13°C～16°C during the night; the temperature should be controlled at 18°C ​​during the day when the seedlings of the cool young vegetable seedlings are cultivated. °C～22°C, control the temperature at 8°C～12°C at night. When managing, covers should be covered early and late, and the amount of ventilation should be appropriately increased to prolong the ventilation time.
Split seedlings
When seedlings are planted in early spring, seedlings can improve lighting conditions and nutritional status of seedlings, and are important measures for cultivating strong seedlings. The vegetables that must be divided into seedlings include tomatoes, eggplants, peppers, cabbages, broccoli, etc., and melons and legumes can be divided. 3 to 5 days before seedling, the temperature in the bed is appropriately lowered and the seedlings are grown at low temperature. Sub-seedlings should be selected for sunny and warm weather, and water should be sprayed on the bed 1 day before the seedlings to facilitate seedling raising. After the seedlings were divided, the spacing and spacing of the seedlings of the eggplant vegetables were 10cm, and the spacing and spacing of the cabbage seedlings were 8cm.
Sub-seedlings usually use dark water seedlings, that is, first divide the seedlings into a ditch with a spacing of 6 to 8 cm, and use pots to water in the ditch. After the cover soil will be planted seedlings. Immediately after seedlings, the plastic film is covered to increase the temperature of the seedlings and promote the seedlings to take root and shoots. If the seedlings are wilted under the hot sun in the middle of the noon, they can be covered with a small amount of grasshoppers and be uncovered in the afternoon.
Huaniu apple is a specialty of Tianshui City, Gansu Province. It refers to the excellent variety of Marshal apple produced in most areas of the city, which is China's national geographic indication product.Tianshui's unique geographical advantages and unique climate resources have bred the unique "huaniu" apple.
The meat of the product is fine, dense, crisp, juicy, unique flavor, strong aroma, good taste and high quality. It is recognized by many Chinese and foreign experts and marketers as the world's three famous apple brands as famous as American snake fruit and Japanese Fuji. It is the first Apple brand in China to obtain an official trademark in the international market.
On October 20, 2016, the State Administration for Industry and Commerce recognized "huaniu apple" as a "well-known trademark in China". In 2018, the trademark "Tianshui huaniu apple" was applied for the certification trademark of national geographic indication.
Tianshui "huaniu" apple is recognized by many Chinese and foreign experts and marketers as the world's three famous apple brands as famous as American snake fruit and Japanese Fuji.
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