Broccoli is a fresh, green garlic leaf used as a vegetable supply market. This cultivation method can be carried out at any time except for summer. The garlic sprouts are delicious and are worthy of seasoning and coloring vegetables. There are two ways to cultivate green garlic seedlings: First, no soil, false stems to see the light; the second is to use the method of earth soil to soften the false stems from light, become pseudo-stems crisp, crisp green leaves, vegetables and food. Only the softening cultivation method will be described below.
1. Cultivating season In southern China, softening garlic seedlings can be sown at any time from late August to next March, and harvested until May. The northern part of the country is cold in winter, and it is planted in open field in late August and late September. It can be harvested until mid-late November. Planted in protected areas, from the beginning of October to March of the following year sowing, one after another harvested until May of the following year.
The time required to grow garlic from sowing to harvest depends on the temperature conditions. At a daily average temperature of 13-20°C, it takes 45-50 days from sowing to harvesting. If the temperature is between 7-13°C, it takes 75-80 days; at 0-7°C, the seedlings stop growing, but they are not affected by freezing. Since the temperature conditions required for the growth of garlic seedlings are not high, more simple protection facilities with poor insulation properties, such as windbreak impotence, small arches, and plastic greenhouses, can also be used in the greenhouses, such as the northern wall roots of the greenhouse, or Cultivate on the home's windowsill.
2. Variety selection Various garlic varieties can be used to cultivate softened garlic seedlings. Each region has its own varieties suitable for green garlic seedlings cultivation. In the past, many varieties of small flaps were used, such as garlic sprouts grown from dog teeth. This practice saves garlic seeds and has low cost, but garlic seedlings are slender, yield is low, and quality is not good. In view of this shortcoming, nowadays, many large-variety varieties have been used to cultivate blue garlic seedlings. When the big petal species is planted with green garlic seedlings, the seed amount is large and the cost is slightly higher, but the yield is high, the quality is good, and the growth is vigorous. There are special varieties cultivated garlic in China, such as Guangxi's Quanzhou Meat Garlic, which is a kind of light but fat, and the grown garlic has thick and high yield. When young garlic is cultivated in the early autumn, short dormancy varieties should be used to germinate and germinate early after sowing. Purple skin garlic is appropriate in Shandong at this time.
3. Whether planted in open or protected areas, they are all made of 1.5-1.7 meters wide flats. The internal organic fertilizer is 45000 kg per hectare and shallowly turned 10 cm.
The garlic seeds are treated with autumn sowing. The petals can be seeded with skin, or they can be soaked with fresh water and peeled off the foreskin again for sowing. After peeling, the seedlings emerge faster and more neatly.
When sowing, close the garlic seeds vertically in the pods. After the broadcast, cover the soil 3 cm above the ground, and then apply 1-2 cm to the soil.
4. Earthing and softening proper earthing can increase the length of the pseudo-stem of the young garlic seedling, improve the quality of the product, and have the effect of softening the pseudo-stem. When the garlic sprouts are basically out and the leaves have not yet been spread, pour water once. After the water infiltrate, it is covered with a layer of sand or horse dung, smashed grass, and is about 5 cm thick. If the garlic grows robustly, grow a cover soil, then spread a layer of cover soil to ensure that the length of the false stem of garlic sprouts is 10-15 cm.
5. The field management of softened garlic seedlings mainly depends on the accumulation of nutrients for the growth of the plantlet. If the nursery seedlings contain enough base fertilizer, they may not need to be topdressed during the growing season. In the protected area, the temperature is lower and the water evaporates less. Therefore, after pouring the water once before the first soil incubation, it is generally unnecessary to water the water.
In open field cultivation, watering is repeated several times from sowing to harvesting. Before pouring, it should be poured carefully, which can reduce the ground temperature and keep the soil moist. It can also promote the growth of garlic seedlings and early emergence. After the garlic sprouts are flushed, urea can be applied with water, 150 kg/ha. The urea can also be applied once in 15-20 days before harvesting. Green garlic seedlings exposed in winter, winter should be poured before the winter water.
6. Temperature Management Appropriate temperature management should be performed when planting softened garlic seedlings in protected areas. Keep 20-25°C inside the protected area before emergence. The growth period after emergence is kept below 20°C during the day, ventilation is reduced when the temperature exceeds 20°C, and it is not lower than 5°C at night. The temperature should be reduced 4-5 days before harvest and around 15°C during the day. Garlic sprouting temperature is too high, it is prone to lodging and affect product quality. However, if the temperature is too low, slow growth will occur, affecting the time to market. Therefore, in late autumn and early winter, when the outside temperature is high, ventilation and cooling should be strengthened. In the deep winter cold season, pay attention to buckle plastic film, cover straw insulation.
7. The criteria for harvesting high-quality softened garlic seedlings are as follows: The pseudo-stem is long and thick, the size of the trees is neat, the leaves are tender but not long, and there are no yellow leaves and dry tips. When harvesting, a variety of valves can be used to pull up and bundled and washed. Knife can also be cut at about 1 cm from the ground. Do not injure garlic when harvesting. After growing new leaves, topdressing and watering. Promote plant growth and facilitate harvesting of the second knife. At the third harvest, it was uprooted and listed.
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