| Database on artificial forests in the tropics | ||||||
| ID: NE Thailand_Acacia mangium-13 | ||||||
| 1. General information | ||||||
| Date of the investigation | : | February, 2002 | Plantation area (ha) |
: | 8.30 | |
| Plantation name | : | UD_03, Udon Thani | Tree species | : | Acacia mangium | |
| Region | : | Khum Pawa Pi, Udon Thani | Family/Genus | : | Leguminosae - Acacia | |
| Altitude | : | 206 | Diameter at
breast height Maximum (cm) |
: | 16.4 | |
| Latitude | : | 17o 04' N | Diameter at
breast height Minimum (cm) |
: | 6.9 | |
| Longitude | : | 103o 05' E | Diameter at
breast height Average (cm) |
: | 11.7 | |
| Planted year and month | : | June, 1996 | Tree
height Maximum (m) |
: | 22.95 | |
| Planted spacing (m x m) |
: | 1 x 2 | Tree
height Minimum (m) |
: | 6.48 | |
| Survaival rate of planted trees (%) |
: | 28.50 | Tree
height Average (m) |
: | 16.23 | |
| 2. Site characteristics information | ||||||
| Land tenure | : | Private | Expenditure (per ha) |
: | nda | |
| Monthly temperature of the site (oC) |
: | (average: 26.9) | Land preparation | : | nda | |
| Monthly rainfall of the site (mm) |
: | (annual: 1,151) | Planting stock cost | : | nda | |
| Dry season | : | November - April | Maintenance cost | : | nda | |
| Slope | : | flat | Potential area
for planting (per ha) |
: | 8.30 | |
| Soil type | : | Korat series : Kt | Damages | : | none | |
| Soil texture | : | Sandy loam | Remarks | : | - | |
| Soil pH | : | 4.7 | ||||
| Soil depth | : | deep | Vegetation and land utilization before planting | : | Agricultural Land | |
| Water level | : | low | ||||
| 3. Seedling information | ||||||
| Seedling | : | Seedling | Size of planting hole (cm) | : | 30 x 30 x 30 | |
| Provenance | : | nda | Fertilization | : | none | |
| Potted | : | Potted | Weeding | : | twice/year | |
| Stock period | : | 6 months | Supplement planting | : | after 3 months | |
| Pot type/size | : | Black plastic | Thining | : | none | |
| Forest crown type | : | single storied | Prevention | : | fire protection | |
| Forest floor vegetation | : | Scanty | ||||
| 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 | : | - | ||||