Table 4.
Measured and simulated data for top dry biomass, by-product yield, leaf area index, and grain yield during calibration model in 2020 under different plant density and N rates in Fogera Plain.
| Nitrogen Rates | Plant Density | Top dry biomass (t ha−1) |
By-product (t ha−1) |
LAIX |
Grain Yield (t ha−1) |
||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| SIM | OBS | Dev (%) | SIM | OBS | Dev (%) | SIM | OBS | Dev (%)) | SIM | OBS | Dev (%) | ||
| N1 (115) |
PD1 | 13.221 | 12.627 | 4.70 | 9.111 | 8.755 | 4.07 | 3.37 | 3.06 | 10.31 | 4.110 | 4.022 | 2.19 |
| PD2 | 13.426 | 13.101 | 2.48 | 9.214 | 8.945 | 3.01 | 3.47 | 3.56 | −2.50 | 4.212 | 4.106 | 2.58 | |
| PD3 | 13.560 | 13.436 | 0.92 | 9.300 | 9.461 | −1.70 | 3.54 | 3.39 | 4.39 | 4.260 | 4.125 | 3.27 | |
| PD4 | 12.938 | 12.327 | 4.96 | 8.912 | 8.412 | 5.94 | 3.26 | 3.01 | 8.20 | 4.025 | 4.065 | −0.98 | |
| PD5 | 13.208 | 12.614 | 4.71 | 9.084 | 8.719 | 4.19 | 3.38 | 3.54 | −4.41 | 4.123 | 4.045 | 1.93 | |
| PD6 | 13.314 | 12.788 | 4.11 | 9.154 | 8.773 | 4.34 | 3.47 | 3.39 | 2.42 | 4.160 | 4.165 | −0.12 | |
| PD7 | 12.684 | 12.482 | 1.62 | 8.747 | 8.677 | 0.81 | 3.15 | 3.19 | −1.16 | 3.937 | 3.955 | −0.46 | |
| PD8 | 12.880 | 12.376 | 4.07 | 8.876 | 8.563 | 3.66 | 3.26 | 3.18 | 2.52 | 4.004 | 3.963 | 1.03 | |
| PD9 |
13.144 |
12.614 |
4.20 |
9.041 |
8.705 |
3.86 |
3.39 |
3.23 |
4.99 |
4.103 |
4.059 |
1.08 |
|
| N2 (138) | PD1 | 13.940 | 13.262 | 5.11 | 9.769 | 9.332 | 4.68 | 3.80 | 3.38 | 12.49 | 4.171 | 4.080 | 2.23 |
| PD2 | 14.174 | 13.536 | 4.71 | 9.904 | 9.508 | 4.16 | 3.90 | 3.58 | 9.00 | 4.270 | 4.178 | 2.20 | |
| PD3 | 14.412 | 13.871 | 3.90 | 10.067 | 9.782 | 2.91 | 4.04 | 3.40 | 18.82 | 4.345 | 4.339 | 0.14 | |
| PD4 | 13.640 | 13.162 | 3.63 | 9.569 | 9.291 | 2.99 | 3.69 | 3.73 | −1.15 | 4.071 | 4.021 | 1.24 | |
| PD5 | 13.904 | 13.649 | 1.87 | 9.759 | 9.684 | 0.77 | 3.83 | 3.56 | 7.74 | 4.145 | 4.115 | 0.73 | |
| PD6 | 14.061 | 13.623 | 3.22 | 9.838 | 9.666 | 1.78 | 3.90 | 3.41 | 14.47 | 4.223 | 4.107 | 2.82 | |
| PD7 | 13.461 | 13.017 | 3.41 | 9.462 | 9.182 | 3.05 | 3.63 | 3.51 | 3.54 | 3.999 | 3.985 | 0.35 | |
| PD8 | 13.688 | 13.111 | 4.40 | 9.624 | 9.303 | 3.45 | 3.77 | 3.67 | 2.81 | 4.064 | 3.966 | 2.47 | |
| PD9 | 13.918 | 13.649 | 1.97 | 9.777 | 9.741 | 0.37 | 3.90 | 3.55 | 9.92 | 4.142 | 4.058 | 2.07 | |
Key: SIM = simulated, OBS = observed, Dev = deviation, Plant density per m2 (PD1–9) (1 = 75, 2 = 87, 3 = 98, 4 = 72, 5 = 82, 6 = 91, 7 = 70, 8 = 79, and 9 = 89) and N1 and N2 (nitrogen rates), respectively.