How to grow black bean sprouts: a guide to the entire process from seed selection to harvesting
In recent years, with the rise of healthy eating, growing black bean seedlings at home has become a hot topic. Black bean sprouts are rich in protein, vitamins and minerals, making them a healthy choice for the family table. This article will introduce in detail how to grow black bean sprouts, including the whole process of seed selection, soaking, germination and harvesting, and attach relevant data for reference.
1. Nutritional value of black bean sprouts
Black bean sprouts are a low-calorie, high-nutrition vegetable that is rich in the following nutrients:
| Nutritional information | Content (per 100g) |
|---|---|
| protein | 9.0g |
| dietary fiber | 3.2 grams |
| Vitamin C | 15 mg |
| Iron | 2.5 mg |
2. Steps to grow black bean sprouts
1.Selection: Choose black beans with plump particles and no insect damage. It is recommended to purchase black beans specifically designed for germination.
2.Soak: Soak black beans in water for 8-12 hours, which can be shortened to 6-8 hours in summer. Soaking for too long may cause the beans to rot.
3.sprout: Spread the soaked black beans evenly on the germination tray or gauze, maintain a moist environment, and spray water 2-3 times a day.
4.light: Avoid direct sunlight in the early stages of germination, and increase scattered light appropriately when the bean sprouts grow to 3-5 cm.
5.Harvest: Generally, it can be harvested in 7-10 days, and the best eating period is when the seedling height is 8-12 cm.
3. Precautions for developing black bean sprouts
| question | Solution |
|---|---|
| Beans not sprouting | Check beans to see if they are expired and make sure they have been soaked for enough time |
| Bean sprouts moldy | Control humidity and enhance ventilation |
| Bean sprouts turn yellow | Increase the light appropriately and check the concentration of nutrient solution |
4. How to eat black bean sprouts
Black bean sprouts can be served cold, stir-fried or made into soup. Here are some common ways:
1.Cold black bean sprouts: Wash and blanch for 30 seconds, add minced garlic, light soy sauce and sesame oil and mix well.
2.Stir-fried black bean sprouts: Stir-fry quickly in a hot pan to keep the texture crisp and tender.
3.Black bean sprouts and egg drop soup: Boiled with eggs, rich in nutrients.
5. Market conditions of black bean seedlings
According to recent market data, the supply and demand situation of black bean seedlings is as follows:
| area | Wholesale price (yuan/jin) | Retail price (yuan/jin) |
|---|---|---|
| Beijing | 5.8 | 8.5 |
| Shanghai | 6.2 | 9.0 |
| Guangzhou | 5.5 | 8.0 |
6. Frequently Asked Questions
1.Question: What is the difference between black bean sprouts and soybean sprouts?
Answer: Black bean sprouts are darker in color, have higher anthocyanin content, and are richer in nutritional value.
2.Q: Do I need to fertilize during the germination process?
Answer: Generally not necessary, the nutrients of the beans themselves are sufficient to support the growth of seedlings.
3.Question: Can black bean sprouts be grown all year round?
Answer: Yes, but the room temperature needs to be kept above 15℃ in winter.
Conclusion
Blackening bean sprouts is a simple and easy home planting activity. You can not only obtain fresh and healthy vegetables, but also experience the fun of planting. By following the methods introduced in this article, you can easily grow high-quality black bean seedlings at home. Start your planting journey!
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