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Detailed explanation of the method of transportation of Astragalus seedlings
Through years of practical experience in cultivation, the author has developed a comprehensive set of techniques for transporting Astragalus seedlings over short, medium, and long distances. These methods are detailed below to ensure the safe and effective transport of the seedlings.
For **short-distance transportation** (within 50 kilometers), **wet transport** is typically used. Suitable containers include wooden crates, barrels, sacks, and woven bags. To maintain moisture, a layer of wet grass, hay, or even clay can be placed at the bottom to prevent damage from friction. For better ventilation, holes should be drilled around the container, and it should be covered to protect from direct sunlight. In summer, cooling measures such as placing ice on the lid are recommended. The density should not exceed 40 kg/m³. While water transport is more efficient and can reach up to 50 kg/m³, it is more costly and logistically complex.
For **medium-distance transportation** (between 50 and 500 kilometers), **water transport** is commonly used. Containers like barrels, canvas bags, plastic tanks, foam boxes, and tin boxes are suitable. The ratio of Astragalus to water should be 1:1. During hot weather, ice cubes are placed on the net cover to gradually cool the water as they melt. Additionally, 10% of the weight of Astragalus is added to the water, along with 40 million units of gentamycin or 10 grams of chlortetracycline per cubic meter. Soft grass is also included to provide cushioning. The density should not exceed 40 kg/m³ to avoid stress on the seedlings.
For **long-distance transportation** (over 500 kilometers), water transport is still the preferred method, typically lasting 1 to 2 days. Key steps include:
1. Using containers like wooden barrels, foam boxes, or tin boxes—foam boxes are generally the best choice. A standard size of 50x40x25 cm is ideal. Cover the box with plastic film to prevent leaks and make a few small holes for ventilation.
2. Allow the Astragalus to rest in a holding tank for 1–2 days before transport to empty their digestive systems.
3. Gradually increase the density to 10 kg/m³ over 2–3 days so the seedlings can adapt to higher densities. During this time, do not feed them and change the water frequently.
4. If the temperature is high, lower the water temperature by soaking the seedlings in cooler water (2–3°C lower) for 10–30 minutes until the temperature reaches 10–15°C.
5. Each container should not weigh more than 10 kg, and the height of the seedlings should not exceed 15 cm. The ratio of Astragalus to water should be 1:1.
6. Place sterile plastic bags inside the container to separate the seedlings and support their bodies during transit. Freeze water bottles and place them in the foam box, slightly loosening the cap to allow slow dripping. Use two bottles per box. Add antibiotics to the water before placing the seedlings inside.
7. It’s best to start the transport in the early morning or evening, ideally on rainy days to reduce heat exposure.
8. Monitor the water quality and temperature during transport, and change the water once or twice if necessary.
These methods have been refined through repeated trials and adjustments, ensuring the survival and vitality of Astragalus seedlings throughout the entire transport process.
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