คุณสมบัติและประโยชน์
- Burying soil helps prevent cold damage to plants.
- Soil thickness varies based on local minimum temperatures.
- Generally, 20 cm covering is needed at -15 °C, 25 cm at -17 °C.
- Cold-resistant varieties can have slightly thinner soil covering.
- Recommended vine spacing of 6 to 8 feet for optimal growth.
- Multiple vines enhance grape yield and harvest quality.