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Ginger's high quality and high yield cultivation techniques
Plant two grooves, each 180 centimeters wide and 10 centimeters deep, in the sampan. The bottom of the trench should be covered with livestock and poultry manure. Apply 75 kg of cake fertilizer per 667 square meters, and use 15–20 kg of compound fertilizer as a base fertilizer. After that, cover the soil with 3–4 cm of topsoil and wait for the next planting stage.
When determining the planting density, it's essential to take into account various factors such as local production experience, test results, soil fertility, ginger size, and management level. Based on these elements, the planting density is generally categorized into three types:
1. **Low-fertility fields**: For gingers weighing less than 50g, use a row spacing of 48–50 cm and a plant spacing of 14–15 cm. This results in approximately 9,000 plants per 667 square meters, with an expected yield of about 1,500 kg.
2. **Medium-fertility fields**: For gingers weighing 50–75g, use a row spacing of 50 cm and a plant spacing of 16–17 cm. This leads to around 8,000 plants per 667 square meters, with a yield ranging from 1,500 to 2,250 kg.
3. **High-fertility fields**: For gingers weighing 50–75g, use a row spacing of 50 cm and a plant spacing of 19 cm. This setup allows for about 7,000 plants per 667 square meters, with a yield exceeding 2,250 kg.
If any of the above conditions are not met, the planting density should be adjusted accordingly.
There are several cultivation methods available: open-field planting, which includes flat planting, nest planting, and ridge planting; small arch greenhouse cultivation; and plastic film mulching. Mulching is highly recommended because it helps warm the soil, retain moisture, prevent nutrient leaching, and improve soil structure. These benefits promote early seedling emergence, stronger growth, and can increase yields by 30% to 50%.
For optimal planting, ensure that the ginger buds face the same direction and are aligned in straight rows. When placing the ginger, keep the buds facing upward, making it easier to harvest later. After planting, cover the seed fertilizer with soil, ensuring that the surface is slightly raised but not too high. If needed, regular soil can be used instead of special materials.