Database on artificial forests in the tropics
ID: NE Thailand_Acacia mangium-4
1. General information
Date of the investigation	:	February, 2002		Plantation area (ha)	:	nda
Plantation name	:	NK_04, Nong Khai		Tree species	:	Acacia mangium
Region	:	Bueng Khong Long, Nong Khai		Family/Genus	:	Leguminosae - Acacia
Altitude	:	170		Diameter at breast height Maximum (cm)	:	16.5
Latitude	:	18o 03' N		Diameter at breast height Minimum (cm)	:	2.4
Longitude	:	103o 54' E		Diameter at breast height Average (cm)	:	8.1
Planted year and month	:	June, 2000		Tree height Maximum (m)	:	12.28
Planted spacing (m x m)	:	2 x 2		Tree height Minimum (m)	:	3.54
Survaival rate of planted trees (%)	:	60.00		Tree height Average (m)	:	10.56
2. Site characteristics information
Land tenure	:	Government		Expenditure (per ha)	:	TB 37,400
Monthly temperature of the site (oC)	:	(average: 26.7)		Land preparation	:	TB 13,275
Monthly rainfall of the site (mm)	:	(annual: 2,093)		Planting stock cost	:	TB 21,250
Dry season	:	October - March		Maintenance cost	:	TB 2,875
Slope	:	flat		Potential area for planting (per ha)	:	nda
Soil type	:	Phon Phisai series : Pp		Damages	:	none
Soil texture	:	Gravelly loam		Remarks	:	5-year tending
Soil pH	:	4.5
Soil depth	:	shallow		Vegetation and land utilization before planting	:	Shifting Cultivation Land
Water level	:	low
3. Seedling information
Seedling	:	Seedling		Size of planting hole (cm)	:	20 x 20 x 20
Provenance	:	nda		Fertilization	:	none
Potted	:	Potted		Weeding	:	twice/year in the first 6 years
Stock period	:	6 months		Supplement planting	:	after 3 months and the following year
Pot type/size	:	Black plastic		Thining	:	none
Forest crown type	:	single storied		Prevention	:	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	:	-