The growth period of garlic sprouts is the reproductive growth period of garlic, which mainly includes flower bud differentiation period and garlic sprout elongation period. The differentiation of flower buds is a critical period for the growth and development of garlic, and differentiation is conducive to increase production. The garlic sprout extension period refers to the period from the start of garlic sprouts to the harvest of garlic dumplings, about 30 days. The flower bud differentiation requirement during the development period of garlic sprouts is lower than 10°C; the garlic sprouts elongation period requires a suitable temperature of 12°C-18°C. If the temperature is too low, the garlic sprouts will extend slowly and affect the production. When the temperature is too high, the garlic sprouts will grow rapidly, and the fiber content will be too high and the quality will be deteriorated. Garlic is a hi light vegetable. It requires a temperature of 15°C-19°C and a long daylight of 13 hours a day before twitching to pass through the light stage to promote convulsions and flowering. The growth period of garlic sprouts is the most prosperous, and the water requirement is large. The relative humidity of the soil is required to be 70%-80%, and 60%-70% of the soil is close to the pick, which is favorable for picking. In mid-April, the province's average temperature was 14.5°C, which was 0.8°C higher than the average. The average precipitation in the whole province is 8.6 mm, which is less than 10% less than normal. In most areas, the light temperature is more appropriate, and the moisture content is suitable for the growth of garlic sprouts. According to the current meteorological conditions, the following measures should be taken during production: 1. Strengthen field water and fertilizer management. During the extension period of garlic sprouts, the plants grew vigorously, and the amount of fertilizer and water needed to increase significantly. Field management should include large fertilizers, large waters, and fast squeezing. Generally 5-6 days a water, two water will be applied a fertilizer. Fertilizer is mainly composed of potassium sulfate or compound fertilizer and cooked manure. The time of the last chemical fertilizer application should be more than 30 days from the picking period. Watering should be stopped 3-4 days before picking, so that the plants appear slightly wilting, so as not to be too brittle and easy to break. 2 timely pick. Picking is too early, garlic sprouts are short, yield is low, and quality is poor. Picking is too late, and garlic sprouts are of poor quality. They also consume nutrients and affect the expansion of garlic. Should pick rake, white hoe or yellow rush in time, at the same time pay attention to protect the leaves, to ensure the post-photosynthetic capacity and improve the production of garlic. 3. The mulching film covers the garlic cultivated in the greenhouse or in the shed. The garlic sprouts are often watered according to the seedlings and lycras during the extension period of the garlic sprouts to keep the field moist. Before and after the dew exposure, the mulch film can be removed and field weeds can be completely removed. Stop irrigating 3-5 days prior to lifting to facilitate picking. After harvesting, fertilizer and watering should be applied immediately to prevent premature aging of plants and promote the expansion of garlic. 4. For fields with excessive humidity in the field, timely drainage should be taken to prevent damage to leaves and garlic sprouts due to leaf blight and other diseases. At the same time, be careful not to apply nitrogenous fertilizers, and you need to increase NPK fertilizer to cultivate robust plants and increase plant resistance.
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