Typical yield
20.0 t/ha
Varieties
1
Pest/Disease
1
Seasons
1
Profile
- Growth habit
- perennial
- Lifecycle (days)
- 240-360
- Primary uses
- Tuber crop
- Pollination
- insect
- Origin / distribution
- South/Southeast Asia; tropics
Environment
Climate
Temp optimal
24–32 °C
Rain optimal
1200–1800 mm/yr
Altitude
0–1200 m
Soil
pH optimal
6–7
Soil type
Deep, fertile loam
Farmer Guide
Row spacing
100 cm
Plant spacing
100 cm
Depth
10 cm
Seed rate
1200 kg/ha
Nursery days
Nutrient Schedule
| # | Stage | DAP | Product | Rate | Targets (kg/ha) | Notes |
|---|---|---|---|---|---|---|
| 1 | Basal | 0 | NPK 17-17-17 | 150 kg/ha | N: —, P₂O₅: —, K₂O: — | |
| 2 | Topdress | 60 | Urea | 120 kg/ha | N: —, P₂O₅: —, K₂O: — |
Nutrient Requirements
| Nutrient | Stage | Amount | Unit |
|---|---|---|---|
| N | Basal | 60 | kg/ha |
| P₂O₅ | Basal | 40 | kg/ha |
| K₂O | Basal | 60 | kg/ha |
| N | Topdress | 60 | kg/ha |
Images
| Name | Country | Maturity | Traits |
|---|---|---|---|
| Local Elephant Yam | KE | 300 | Large corms |
| Stage | Product | Rate (kg/ha) | Notes |
|---|---|---|---|
| Basal | NPK 17-17-17 | 150 |
| Name | Type | Symptoms | Management |
|---|---|---|---|
| Tuber rot | disease | Rotting setts | Curing; drainage; seed treatment |
| System | Typical | Min | Max | Notes |
|---|---|---|---|---|
| rainfed | 20 | 12 | 35 |
| Country | Region | Planting | Harvest |
|---|---|---|---|
| KE | Humid zones | Mar–Apr | Dec–Feb |
| Country | Region | Suitability |
|---|---|---|
| KE | Humid zones | Medium |