Table 6.
Mean estimates and LSD groupings for destructively measured DM and sensor modeled estimates of DM. † MIX-Mixture of alfalfa and bermudagrass.
| Forage Class | DM Class | Measured DM | Sensor Estimate DM Models (t·ha−1) | |||
|---|---|---|---|---|---|---|
|
| ||||||
| (t·ha−1) | (t·ha−1) | 1 | 3 | |||
| Alfalfa | >1.1 | 0.85E | 1.28D | 1.5D | ||
| Alfalfa | 1.1–2.2 | 1.65D | 1.86C | 2.09C | ||
| Alfalfa | 2.2–3.3 | 2.72C | 2.66B | 2.89B | ||
| Alfalfa | 3.3–4.41 | 3.6B | 3.26A | 3.45A | ||
| Alfalfa | 4.41–5.51 | 4.88A | 3.81A | 4.01A | ||
| LSD | 0.22 | 0.44 | 0.44 | |||
|
| ||||||
| Bermudagrass | >1.1 | 0.67F | 1.45E | 1.58D | ||
| Bermudagrass | 1.1–2.2 | 1.7E | 1.97E | 2.08D | ||
| Bermudagrass | 2.2–3.3 | 2.96D | 2.89D | 2.93C | ||
| Bermudagrass | 3.3–4.41 | 3.77C | 3.8C | 3.67C | ||
| Bermudagrass | 4.41–5.51 | 4.99B | 5.2B | 5.02B | ||
| Bermudagrass | 5.51–6.61 | 6.97A | 6.19A | 6.53A | ||
| LSD | 0.53 | 0.75 | 0.84 | |||
|
| ||||||
| MIX † | >1.1 | 0.83G | 0.98F | 1.53F | ||
| MIX | 1.1–2.2 | 1.61F | 1.26E | 1.82E | ||
| MIX | 2.2–3.3 | 2.67E | 2.32D | 2.84D | ||
| MIX | 3.3–4.41 | 3.79D | 3.02C | 3.45C | ||
| MIX | 4.41–5.51 | 4.92C | 4.45B | 5.03B | ||
| MIX | 5.51–6.61 | 6.15B | 5.06A | 5.56A | ||
| MIX | 6.61–7.71 | 7.06A | 4.56B | 4.94B | ||
| LSD | 0.15 | 0.28 | 0.27 | |||
| Wheat | >1.1 | 0.78F | 1.51D | 1.93D | ||
| Wheat | 1.1–2.2 | 1.57E | 1.79D | 2.27D | ||
| Wheat | 2.2–3.3 | 2.76D | 2.81C | 3.26C | ||
| Wheat | 3.3–4.41 | 3.85C | 4.33B | 4.75B | ||
| Wheat | 4.41–5.51 | 4.89B | 4.98A | 5.28B | ||
| Wheat | 5.51–6.61 | 6.25A | 5.48A | 5.85A | ||
| LSD | 0.27 | 0.53 | 0.54 | |||
|
| ||||||
| Measured height DM Estimate models (t·ha−1) | ||||||
| 5 | 6 | 7 | ||||
|
| ||||||
| Alfalfa | >1.1 | 0.85E | 1.18D | 1.81D | 1.7D | |
| Alfalfa | 1.1–2.2 | 1.65D | 1.72C | 2.65C | 2.08C | |
| Alfalfa | 2.2–3.3 | 2.72C | 2.39B | 3.67B | 2.31C | |
| Alfalfa | 3.3–4.41 | 3.6B | 3.05A | 4.68A | 2.63B | |
| Alfalfa | 4.41–5.51 | 4.88A | 3.51A | 5.38A | 3.07A | |
| LSD | 0.22 | 0.46 | 0.71 | 0.46 | ||
|
| ||||||
| Bermudagrass | >1.1 | 0.67F | 1.62E | 1.44E | 1.6B | |
| Bermudagrass | 1.1–2.2 | 1.7E | 2.78D | 2.47D | 1.66B | |
| Bermudagrass | 2.2–3.3 | 2.96D | 3.53C | 3.14C | 1.73B | |
| Bermudagrass | 3.3–4.41 | 3.77C | 4.85B | 4.31B | 2.05B | |
| Bermudagrass | 4.41–5.51 | 4.99B | 5.63B | 5.01B | 2.34A | |
| Bermudagrass | 5.51–6.61 | 6.97A | 6.44A | 5.73A | 2.27B | |
| LSD | 0.53 | 0.97 | 0.86 | 0.62 | ||
|
| ||||||
| MIX | >1.1 | 0.83G | 2.23F | 1.98F | 1.49C | |
| MIX | 1.1–2.2 | 1.61F | 2.88E | 2.56E | 1.49C | |
| MIX | 2.2–3.3 | 2.67E | 3.26D | 2.91D | 1.9B | |
| MIX | 3.3–4.41 | 3.79D | 3.56C | 3.17C | 1.89B | |
| MIX | 4.41–5.51 | 4.92C | 5.46B | 4.86B | 2.22A | |
| MIX | 5.51–6.61 | 6.15B | 5.95A | 5.3A | 2.1B | |
| MIX | 6.61–7.71 | 7.06A | 5.38B | 4.79B | 2.12B | |
| LSD | 0.15 | 0.36 | 0.32 | 0.25 | ||