Table 5.
Forage Type | Measure/Estimation Method | Mean | Mean-Percent Error (MPE †) | Standard Deviation MPE † | R2-Measured to Estimated † | ECMA Score |
---|---|---|---|---|---|---|
| ||||||
DM (t ha−1) | ||||||
Alfalfa | Measured DM | 2.36 | ||||
Alfalfa | 1 | 2.16 | 0.31 | 0.27 | 0.69 | 0.150 |
Alfalfa | 5 | 3.02 | 0.30 | 0.24 | 0.63 | 0.083 |
Alfalfa | 3 | 2.36 | 0.40 | 0.35 | 0.68 | 0.019 |
Alfalfa | 7 | 2.16 | 0.53 | 0.67 | 0.13 | 0.005 |
Alfalfa | 6 | 3.02 | 0.68 | 0.53 | 0.63 | 0.002 |
| ||||||
Bermudagrass | Measured DM † | 3.33 | 0.19 | 0.36 | 0.87 | |
Bermudagrass | 3 | 3.41 | 0.32 | 0.57 | 0.85 | 0.069 |
Bermudagrass | 1 | 3.45 | 0.36 | 0.6 | 0.81 | 0.033 |
Bermudagrass | 6 | 3.54 | 0.36 | 0.55 | 0.82 | 0.022 |
Bermudagrass | 5 | 3.98 | 0.47 | 0.65 | 0.82 | 0.005 |
Bermudagrass | 7 | 1.9 | 0.63 | 0.69 | 0.25 | <0.000 |
| ||||||
MIX ‡ | Measured DM | 2.15 | ||||
MIX | 1 | 1.83 | 0.30 | 0.26 | 0.79 | 0.035 |
MIX | 3 | 2.37 | 0.40 | 0.52 | 0.78 | 0.019 |
MIX | 6 | 2.76 | 0.68 | 0.79 | 0.55 | 0.002 |
MIX | 7 | 1.66 | 0.48 | 0.58 | 0.17 | 0.001 |
MIX | 5 | 3.1 | 0.85 | 0.91 | 0.55 | 0.001 |
| ||||||
Wheat | Measured DM | 2.47 | ||||
Wheat | 1 | 2.74 | 0.41 | 0.65 | 0.81 | 0.013 |
Wheat | 3 | 3.18 | 0.63 | 0.94 | 0.80 | 0.002 |
| ||||||
Canopy height (cm) | ||||||
| ||||||
Alfalfa | Measured height | 30.8 | ||||
Alfalfa | 9 | 22.5 | 0.30 | 0.17 | 0.61 | 0.04 |
Alfalfa | 8 | 21.0 | 0.33 | 0.18 | 0.59 | 0.03 |
| ||||||
Bermudagrass | Measured height | 36.1 | ||||
Bermudagrass | 8 | 29.0 | 0.21 | 0.12 | 0.79 | 4.05 |
Bermudagrass | 9 | 26.0 | 0.28 | 0.13 | 0.84 | 2.29 |
| ||||||
MIX | Measured height | 28.2 | ||||
MIX | 9 | 18.5 | 0.35 | 0.19 | 0.57 | 0.88 |
MIX | 8 | 7.2 | 0.77 | 0.17 | 0.59 | 0.21 |