| Database on artificial forests in the tropics | ||||||
| ID: North Thailand_Tectona grandis-74 | ||||||
| 1. General information | ||||||
| Date of the investigation | : | August, 2001 | Plantation area (ha) |
: | 632.60 | |
| Plantation name | : | MH_04, Mae Hopra | Tree species | : | Tectona grandis | |
| Region | : | Mae Tang, Chieng Mai | Family/Genus | : | Verbenaceae - Tectona | |
| Altitude | : | 580 | Diameter at
breast height Maximum (cm) |
: | 29.7 | |
| Latitude | : | 19o 02' N | Diameter at
breast height Minimum (cm) |
: | 7.6 | |
| Longitude | : | 99o 06' E | Diameter at
breast height Average (cm) |
: | 18.5 | |
| Planted year and month | : | May, 1978 | Tree
height Maximum (m) |
: | 18.81 | |
| Planted spacing (m x m) |
: | 2 x 8 | Tree
height Minimum (m) |
: | 9.97 | |
| Survaival rate of planted trees (%) |
: | 72 | Tree
height Average (m) |
: | 15.63 | |
| 2. Site characteristics information | ||||||
| Land tenure | : | Private Enterprise(FIO) | Expenditure (per ha) |
: | TB 48,874 | |
| Monthly temperature of the site (oC) |
: | (average: 25.3) | Land preparation | : | TB 15,250 | |
| Monthly rainfall of the site (mm) |
: | (annual: 1,232) | Planting stock cost | : | TB 10,500 | |
| Dry season | : | November - April | Maintenance cost | : | TB 23,124 | |
| Slope | : | flat | Potential area
for planting (per ha) |
: | 632.60 | |
| Soil type | : | Pak Chong series, undulating phase : Pc-B | Damages | : | none | |
| Soil texture | : | Clay loam | Remarks | : | 30-year rotation Non thinning |
|
| Soil pH | : | 6.0 - 7.0 | ||||
| Soil depth | : | deep | Vegetation and land utilization before planting | : | Secondary Forest | |
| Water level | : | low | ||||
| 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 | : | - | ||||