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| Site Name | National Institute of Livestock and Grassland Science, Nasu Research Station |
| AsiaFlux Site Code | NSS |
| Location | Senbonmatsu, Nasushiobara, Tochigi, Japan |
| Position | 36deg 55' N, 139deg 58' E |
| Elevation | 320 m above sea level |
| Slope | mostly horizontal |
| Terrain Type | almost flat |
| Area | about 2.3 ha (Chemical fertilizer plot) and about 2.4 ha (Manure plot) |
| Fetch | about 64 m (Chemical fertilizer plot) and about 70 m (Manure plot) |
| Climate | humid subtropical climate (Cfa) |
| Mean annual air temperature | 12.0 deg C (1985-2000) |
| Mean annual precipitation | 1561.0 mm (1971-2000) |
| Vegetation Type | hay meadow |
| Dominant Species (Overstory) | Orchardgrass (Dactylis glomerata), Italian lyegrass (Lolium multiflorum Lam.) |
| Dominant Species (Understory) | N/A |
| Canopy height | maximum about 120 cm |
| Age | 6 years |
| LAI | N/A |
| Soil type | Medium and Coarse textured Brown Lowland soils (Typic Dystrudepts) |
| Measurement Period | from August 2004 to present |
| Measurement Frequency | continuous |
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National Institute of Livestock and Grassland Science 768 Senbonmatsu, Nasushiobara, Tochigi, 329-2793, Japan TEL: +81-287-36-1111 FAX: +81-287-36-6629 |