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LANSIUM
1. Local Name: Langsat, Duku, Duku-langsat, Dokong
2. Recommended varieties:
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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).
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3. Soil Requirement:
- Well drained, loamy, alluvial soils are most suitable.
4. Spacing: 7.5m x 7.5m (178 trees/ha)
5. Fertiliser application:
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Year
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Time of application
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Type of fertiliser
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Amount / Stand / Year
(kg)
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Rate/ Application
(kg)
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0
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At Planting |
Rock Phosphate
Dolomite
Organic manure |
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1
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Every 3 months
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15:15:15
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2
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Every 3 months
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15:15:15
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3
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Every 3 months |
15:15:15 |
1.50
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0.38
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4
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Once every 4 months |
15:15:15 |
2.00
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0.67
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5
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Once every 4 months |
12:12:17:2+TE |
3.00
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1.00
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6
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Once every 4 months |
12:12:17:2+TE |
4.00
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1.33
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7
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Once every 4 months |
12:12:17:2+TE |
5.00
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1.67
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8 onwards
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Once every 4 months |
12:12:17:2+TE |
6.00
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2.00
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Shading: In the first few years shading is necessary, using either artificial (shading net) or natural (banana, Gliricidia) shade.
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Pruning : Keep one central leader with even spacing of branches.
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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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