| Database on artificial forests in the tropics | ||||||
| ID: East Java_other tree species-5 | ||||||
| 1. General information | ||||||
| Date of the investigation | : | August, 2003 | Plantation area (ha) |
: | 5.1 | |
| Plantation name | : | Plot 67B, RPH Jatiwekas | Tree species | : | Senna siamea | |
| Region | : | East Java | Family/Genus | : | Leguminosae - Senna | |
| Altitude | : | 315 | Diameter at
breast height Maximum (cm) |
: | - | |
| Latitude | : | 8°00'8.99''S | Diameter at
breast height Minimum (cm) |
: | - | |
| Longitude | : | 113°49'3.88''E | Diameter at
breast height Average (cm) |
: | 13.7 | |
| Planted year and month | : | December, 1991 | Tree
height Maximum (m) |
: | - | |
| Planted spacing (m × m) |
: | 3 × 1 | Tree
height Minimum (m) |
: | - | |
| Survaival rate of planted trees (%) |
: | > 80 | Tree
height Average (m) |
: | 12.0 | |
| 2. Site characteristics information | ||||||
| Land tenure | : | Perum Perhutani | Expenditure (per ha) |
: | Rp500,000 | |
| Monthly temperature of the site (°C) |
: | (min.: 24.0, max.: 32.0) | Land preparation | : | - | |
| Monthly rainfall of the site (mm) |
: | Mean: 133 | Planting stock cost | : | - | |
| Dry season | : | - | Maintenance cost | : | - | |
| Slope | : | - | Potential area
for planting (per ha) |
: | - | |
| Soil type | : | Latosol | Damages | : | Encroachment and fire | |
| Soil texture | : | Clay | Remarks | : | - | |
| Soil pH | : | 6.7 - 7.0 | ||||
| Soil depth | : | > 2 m | Vegetation and land utilization before planting | : | Plantation of Tectona grandis | |
| Water level | : | 10 m | ||||
| 3. Seedling information | ||||||
| Seedling | : | Seedring | Size of planting hole (cm) | : | 30 × 30 × 30 | |
| Provenance | : | East Java | Fertilization | : | - | |
| Potted | : | Pollybag | Weeding | : | Toungya system | |
| Stock period | : | Three months | Supplement planting | : | - | |
| Pot type/size | : | Pollybag (diameter: 8 cm, height: 12 cm) |
Thining | : | Every five years | |
| Forest crown type | : | Mixed with Swietenia sp. Trees | Prevention | : | - | |
| Forest floor vegetation | : | Dense (elephant grass) | ||||
| 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 | : | - | ||||