Yam

(Ipomoea potatoes)

• Type of vegetable : leaves, underground organs
• Optimum growth pH range: 5-6.8
• Optimal growth temperature range : 21-28°C
• Organic matter requirements :
• Rooting : deep (more than 120 cm)
• Special requirements : short day plant. Days of 11 hours and cool nights promote tuberization (over 14 hours, tuberization inhibited). Well suited to Mayotte.

• Seed characteristics

• Nursery : No
• Line spacing : 90 - 120 cm
• Interplant  : 30 - 50 cm
• Remarks : 30 cm cuttings (terminal shoots) stripped at the base and buried inclined at 45°C

• Duration of the crop cycle under optimal growing conditions

• Optimal storage conditions