TABLE 1.
Site descriptions and soil characteristics
| Site characteristic |
Soil characteristic |
||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|
| Name | Description | Latitude | Longitude | Elevation (ft) | Texture | pH | Relative lime content | OM (%)a | NO3-N (ppm) | P (ppm) | K (ppm) |
| ARDEC | Agricultural corn field | N40°39′07" | W104°59′58" | 5,094 | Clay | 8.1 | Very high | 3.1 | 6.2 | 19.9 | 399 |
| N40°39′04" | W104°59′58" | 5,091 | Clay | 8.1 | Very high | 3.3 | 8.0 | 13.1 | 357 | ||
| N40°39′03" | W104°59′58" | 5,090 | Clay | 7.8 | Very high | 3.3 | 36.4 | 36.1 | 390 | ||
| TNR | Tropical forest | S77°18′55" | W70°11′47" | 663 | Clay | 3.5 | Low | 5.2 | 12.9 | 6.2 | 92 |
| S77°18′54" | W70°11′52" | 656 | Clay loam | 3.3 | Low | 17.3* | 14.6 | 8.7 | 147 | ||
| S77°18′54" | W70°11′60" | 656 | Clay | 3.5 | Low | 11.6* | 17.1 | 18.7 | 110 | ||
| YG | Ponderosa pine | N40°41′17" | W105°20′49" | 5,862 | Loam | 5.8 | Low | 10.9* | 2.5 | 9.9 | 289 |
| N40°40′37" | W105°20′55" | 6,181 | Sandy loam | 5.8 | Low | 5.2 | 0.7 | 2.5 | 235 | ||
| N40°40′20" | W105°20′50" | 6,362 | Sandy loam | 7.1 | Medium | 11.3 | 6.4 | 16.8 | 641 | ||
a
OM, organic matter. *, expressed as weight loss on ignition.