Database on artificial forests in the tropics
ID: North Thailand_Tectona grandis-120
1. General information        
     
Date of the investigation : 1999 Plantation area
(ha)
: 114.88
Plantation name : TK_06, Thung Kwian Tree species : Tectona grandis
Region : Hang Chat, Lampang Family/Genus : Verbenaceae - Tectona
Altitude : 345 Diameter at breast height
Maximum (cm)
: 47.9
Latitude : 18o 19' N Diameter at breast height
Minimum (cm)
: 20.3
Longitude : 99o 15' E Diameter at breast height
Average (cm)
: 33.9
Planted year and month : May, 1969 Tree height
Maximum (m)
: 26.75
Planted spacing
(m x m)
: 4 x 4 Tree height
Minimum (m)
: 19.40
Survaival rate of planted trees
(%)
: 32 Tree height
Average (m)
: 24.04
2. Site characteristics information        
     
Land tenure : Private Enterprise(FIO) Expenditure
(per ha)
: TB 48,874
Monthly temperature of the site
(oC)
: (average: 25.6) Land preparation : TB 15,250
Monthly rainfall of the site
(mm)
: (annual: 1,279) Planting stock cost : TB 10,500
Dry season : November - April Maintenance cost : TB 23,124
Slope : flat Potential area for planting
(per ha)
: 114.88
Soil type : Slope Complex : SC Damages : none
Soil texture : nda Remarks : 30-year rotation
Thinning 2 times
Soil pH : 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 : -