Database on artificial forests in the tropics
ID: NE Thailand_Acacia mangium-11
1. General information
Date of the investigation	:	February, 2002		Plantation area (ha)	:	7.91
Plantation name	:	UD_01, Pandon Pakho		Tree species	:	Acacia mangium
Region	:	Nong Saeng, Udon Thani		Family/Genus	:	Leguminosae - Acacia
Altitude	:	340		Diameter at breast height Maximum (cm)	:	20.5
Latitude	:	17o 11' N		Diameter at breast height Minimum (cm)	:	1.6
Longitude	:	102o 41'E		Diameter at breast height Average (cm)	:	10.4
Planted year and month	:	June, 1997		Tree height Maximum (m)	:	16.78
Planted spacing (m x m)	:	2 x 4		Tree height Minimum (m)	:	2.45
Survaival rate of planted trees (%)	:	88.50		Tree height Average (m)	:	12.40
2. Site characteristics information
Land tenure	:	Government		Expenditure (per ha)	:	TB 37,400
Monthly temperature of the site (oC)	:	(average: 26.9)		Land preparation	:	TB 13,275
Monthly rainfall of the site (mm)	:	(annual: 1,835)		Planting stock cost	:	TB 21,250
Dry season	:	November - April		Maintenance cost	:	TB 2,875
Slope	:	very steep		Potential area for planting (per ha)	:	7.91
Soil type	:	Yasothon series : Yt		Damages	:	none
Soil texture	:	Sandy loam		Remarks	:	5-year tending
Soil pH	:	5.0 - 6.5
Soil depth	:	deep		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	:	Medium
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	:	-