| Database on artificial forests in the tropics | ||||||
| ID: East Thailand_Acacia mangium-25 | ||||||
| 1. General information | ||||||
| Date of the investigation | : | March, 2003 | Plantation area (ha) |
: | 4.20 | |
| Plantation name | : | LK_18, Lad Krating | Tree species | : | Acacia mangium | |
| Region | : | Sanam Chaikhet, Chachoengsao | Family/Genus | : | Leguminosae - Acacia | |
| Altitude | : | 80 | Diameter at
breast height Maximum (cm) |
: | 13.9 | |
| Latitude | : | 13o 31' N | Diameter at
breast height Minimum (cm) |
: | 1.2 | |
| Longitude | : | 101o 32' E | Diameter at
breast height Average (cm) |
: | 6.9 | |
| Planted year and month | : | June, 2000 | Tree
height Maximum (m) |
: | 12.14 | |
| Planted spacing (m x m) |
: | 1 x 3.6 | Tree
height Minimum (m) |
: | 2.64 | |
| Survaival rate of planted trees (%) |
: | 86.49 | Tree
height Average (m) |
: | 8.86 | |
| 2. Site characteristics information | ||||||
| Land tenure | : | Private Enterprise(TPC) | Expenditure (per ha) |
: | TB 35,611 | |
| Monthly temperature of the site (oC) |
: | (average: 28.8) | Land preparation | : | TB 16,381 | |
| Monthly rainfall of the site (mm) |
: | (annual: 1,312) | Planting stock cost | : | TB 4,449 | |
| Dry season | : | November - March | Maintenance cost | : | TB 14,781 | |
| Slope | : | flat | Potential area
for planting (per ha) |
: | 4.20 | |
| Soil type | : | Ko Khanun series : Kkn | Damages | : | none | |
| Soil texture | : | Loam | Remarks | : | 6 year rotation | |
| Soil pH | : | 4.5 - 7.0 | ||||
| Soil depth | : | deep | Vegetation and land utilization before planting | : | M. azedarach Plantation | |
| Water level | : | low | ||||
| 3. Seedling information | ||||||
| Seedling | : | Seedling | Size of planting hole (cm) | : | 25 x 25 x 25 | |
| Provenance | : | Lad Krating Plantation | Fertilization | : | dry polymer, organic fertilizer, chemical fertilizer(15:15:15) | |
| Potted | : | Potted | Weeding | : | 4 times in the first year 3 times in the second year |
|
| Stock period | : | 3 months | Supplement planting | : | after 3 months | |
| Pot type/size | : | 9 x 15 black plastic | Thining | : | none | |
| Forest crown type | : | single storied | Prevention | : | 5-year fire protection | |
| Forest floor vegetation | : | Bare | ||||
| 4. Biomass information | ||||||
| BA (m2 ha-1) | : | - | Stem volume (m3 ha-1) | : | - | |
| Age (year) | : | - | With bark | : | - | |
| Actual density (trees ha-1) | : | - | Without bark | : | - | |
| Biomass (Mg ha-1) | : | - | ||||
| Stem | : | - | ||||
| Bark | : | - | ||||
| Branch | : | - | ||||
| Leaf | : | - | ||||
| Root | : | - | ||||
| Above ground | : | - | ||||