1. Local Name: Langsat, Duku, Duku-langsat, Dokong
2. Recommended varieties:
There is as yet no recommended cultivars for langsat and duku. For duku-langsat, two cultivars, LDS 1 (Muar) and LDS 2 (Kuching) are recommended and for Dokong is Dokong (kering type). |
3. Soil Requirement:
- Well drained, loamy, alluvial soils are most suitable.
4. Spacing: 7.5m x 7.5m (178 trees/ha)
5. Fertiliser application:
Year |
Time of application |
Type of fertiliser |
Amount / Stand / Year (kg) |
Rate/ Application (kg) |
0 |
At Planting | Rock Phosphate Dolomite Organic manure |
0.20
0.10 5.00 |
0.20
0.10 5.00 |
1 |
Every 3 months |
15:15:15 |
0.50 |
0.13
|
2 |
Every 3 months |
15:15:15 |
1.00
|
0.25
|
3 |
Every 3 months | 15:15:15 | 1.50 |
0.38 |
4 |
Once every 4 months | 15:15:15 | 2.00 |
0.67 |
5 |
Once every 4 months | 12:12:17:2+TE | 3.00 |
1.00 |
6 |
Once every 4 months | 12:12:17:2+TE | 4.00 |
1.33 |
7 |
Once every 4 months | 12:12:17:2+TE | 5.00 |
1.67 |
8 onwards |
Once every 4 months | 12:12:17:2+TE | 6.00 |
2.00 |
Shading: In the first few years shading is necessary, using either artificial (shading net) or natural (banana, Gliricidia) shade. |
|
Pruning : Keep one central leader with even spacing of branches. |
6. Vegetative Period: 7 years .
7. Economic Life: 25 - 40 years.
8. Yield: 15 - 30 mt/ha. A distinct dry period is necessary to initiate flowering.
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