| Database on artificial forests in the tropics | ||||||
| ID: NE Thailand_Tectona grandis-5 | ||||||
| 1. General information | ||||||
| Date of the investigation | : | December, 2004 | Plantation area (ha) |
: | 220.80 | |
| Plantation name | : | LO_05, Na Duang/ Nong Pla Duk | Tree species | : | Tectona grandis | |
| Region | : | Na Duang, Loei | Family/Genus | : | Verbenaceae - Tectona | |
| Altitude | : | 479 | Diameter at
breast height Maximum (cm) |
: | 32.1 | |
| Latitude | : | 17o 38' N | Diameter at
breast height Minimum (cm) |
: | 1.8 | |
| Longitude | : | 101o 58' E | Diameter at
breast height Average (cm) |
: | 13.3 | |
| Planted year and month | : | May, 1989 | Tree
height Maximum (m) |
: | 23.06 | |
| Planted spacing (m x m) |
: | 4 x 4 | Tree
height Minimum (m) |
: | 1.75 | |
| Survaival rate of planted trees (%) |
: | 54 | Tree
height Average (m) |
: | 12.08 | |
| 2. Site characteristics information | ||||||
| Land tenure | : | Private Enterprise(FIO) | Expenditure (per ha) |
: | TB 48,874 | |
| Monthly temperature of the site (oC) |
: | (average: 26) | Land preparation | : | TB 15,250 | |
| Monthly rainfall of the site (mm) |
: | (annual: 1,219) | Planting stock cost | : | TB 10,500 | |
| Dry season | : | November - March | Maintenance cost | : | TB 23,124 | |
| Slope | : | moderate | Potential area
for planting (per ha) |
: | 220.80 | |
| Soil type | : | Slope Complex : Sc | Damages | : | none | |
| Soil texture | : | Stony soil (reddish-brown lateritic, red-yellow podzolic and lithoosols) | Remarks | : | 30-year rotation Thinning 1 time + Coppice |
|
| Soil pH | : | 4.5 - 6.5 | ||||
| Soil depth | : | nda | Vegetation and land utilization before planting | : | Secondary Forest | |
| Water level | : | nda | ||||
| 3. Seedling information | ||||||
| Seedling | : | Seedling | Size of planting hole (cm) | : | 10 x 10 x 15 | |
| Provenance | : | Mae Moh Plantation | Fertilization | : | 2 times in the first year once/year until the sixth year |
|
| Potted | : | Stump | Weeding | : | 3 times in the first 3 years 2 times in the forth and fifth year |
|
| Stock period | : | 1 year | Supplement planting | : | after 3 months and the following year | |
| Pot type/size | : | - | Thining | : | 15th year (50% left), 20th year (35% left) & 25th year (25% left) | |
| Forest crown type | : | single storied | Prevention | : | 30-year fire protection | |
| Forest floor vegetation | : | Dense | ||||
| 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 | : | - | ||||