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Using the Goldbeet starter to warm up a greenhouse is an effective way to prepare the soil for planting. Here's a detailed guide on how to do it properly:
1. **Preparation**:
- **Site Preparation**: Clear the area, ensuring it's level and free of debris.
- **Fertilizer Application**: Apply 60-70% of compound and chemical fertilizers 15-20 days before planting.
- **Trench and Ridge Setup**: For single-row operation, create ridges that are 80-100 cm wide, with a ditch 40-60 cm wide and 20-30 cm deep. For double-row setup, the ridge should be 130-150 cm wide.
2. **Amount of Warming Agent**:
- Use approximately 4 kg of Goldbeet warming agent per acre. In a greenhouse measuring 50 meters by 8 meters, about 3 kg is sufficient.
- You can calculate based on the area or straw weight—use 1 kg of warming agent per 1 kg of straw.
3. **Straw and Manure Dosage**:
- Add 3,000–5,000 kg of straw (like corn stalks) per acre. Mix in 3–6 cubic meters of manure from herbivorous animals like cattle, horses, or sheep.
4. **Timing**:
- Begin this process 15–20 days before planting to allow proper fermentation.
5. **Bacteria Application Method**:
- Mix 1 kg of Goldbeet starter with 10 kg of wheat bran or rice bran, then add 6–8 kg of water. The mixture should feel moist but not soggy—when squeezed, it should form a ball without dripping. Let it sit at 15–25°C for 12–24 hours before use.
6. **Single-Row Operation**:
- Dig a trench 80–100 cm wide, 40–60 cm wide in the middle, and 20–30 cm deep. Fill it with straw to a thickness of about 40 cm, then compact it to at least 30 cm. Leave 10–15 cm of straw exposed at both ends for ventilation.
- Spread the fermented bacteria evenly over the straw, mix it in, and ensure even distribution. You can also layer the straw with a mix of bacteria and manure for better results.
- Cover the straw with 15–20 cm of soil and form a small raised bed. Keep the walkway slightly higher for easy access. After drying for 2–3 days, re-shape the ridge and plant seedlings after 15–20 days.
7. **Double-Row Operation**:
- Create a 130–150 cm wide ridge with a 60–80 cm gap between them. Fill the gaps with straw to form a 60–80 cm wide and 15–20 cm high bed. Plant vegetables on top of these beds.
8. **Covering and Watering**:
- After filling the trenches, cover the entire area with straw, making sure it’s not exposed. Leave 10–15 cm of straw above the surface for ventilation.
- Water the straw 10–15 days before planting to keep it moist and promote fermentation.
9. **Ventilation After Planting**:
- Once the plants are in place, puncture the plastic covering with a 3 cm tip or steel drill. Space the holes 10–15 cm apart and drill diagonally through the straw layer to allow proper air circulation and CO₂ release.
This method ensures a warm, fertile environment for your plants, improving growth and yield. Make sure to follow all steps carefully for best results.
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