## 3 Results
### Performance of Multi-Row Variety 'Meridian' in 2023
\begin{table}
\begin{tabular}{c c c c c c c} \hline \hline  & **Treatment** & **N Fertilization** & **FM Yield** & **Protein [\%]** & **N Uptake** & **N Surplus** & **NUE** \\  & & **[kg ha\({}^{-1}\)]** & **[t ha\({}^{-1}\)]** & **Protein [\%]** & **[kg ha\({}^{-1}\)]** & **[kg ha\({}^{-1}\)]** & **[\%]** \\ \hline N 1 & 0/0/0 = 0 & 0/0/0 = 0 & 3.1 \({}^{\text{j}}\) & 7.4 \({}^{\text{m}}\) & 32.6 \({}^{\text{m}}\) & \(-\)32.5 \({}^{\text{d}}\) & \\ N 2 & 40/30/0 = 70 & 40/30/0 = 70 & 7.1 \({}^{\text{i}}\) & 8.4 \({}^{\text{m}}\) & 83.7 \({}^{\text{l}}\) & \(-\)13.7 \({}^{\text{c}}\) & 73.1 \({}^{\text{ab}}\) \\ N 3 & 40/30/40 = 110 & 40/30/40 = 110 & 8.7 \({}^{\text{gh}}\) & 9.4 \({}^{\text{jkl}}\) & 112.6 \({}^{\text{jk}}\) & \(-\)2.6 \({}^{\text{bc}}\) & 72.8 \({}^{\text{ab}}\) \\ N 4 & 40/60/40 = 140 & 40/60/40 = 140 & 10.1 \({}^{\text{abcde}}\) & 9.9 \({}^{\text{ghijkl}}\) & 136.7 \({}^{\text{ghij}}\) & 3.3 \({}^{\text{bc}}\) & 74.4 \({}^{\text{ab}}\) \\ N 5 & 70/30/40 = 140 & 70/30/40 = 140 & 9.6 \({}^{\text{bcdefg}}\) & 10.1 \({}^{\text{ghijk}}\) & 134.4 \({}^{\text{ghij}}\) & 5.6 \({}^{\text{bc}}\) & 74.5 \({}^{\text{ab}}\) \\ N 6 & 160/0/0 = 160 & 160/0/0 = 160 & 9.7 \({}^{\text{bcdefg}}\) & 10.5 \({}^{\text{efghijk}}\) & 139.7 \({}^{\text{efghi}}\) & 20.3 \({}^{\text{ab}}\) & 67.0 \({}^{\text{ab}}\) \\ N 7 & 70/90/0 = 160 & 70/90/0 = 160 & 10.3 \({}^{\text{abc}}\) & 11.1 \({}^{\text{cdefg}}\) & 158.9 \({}^{\text{cdefg}}\) & 1.1 \({}^{\text{bc}}\) & 79.0 \({}^{\text{ab}}\) \\ N 8 & 40/90/40 = 170 & 40/90/40 = 170 & 9.9 \({}^{\text{abcdef}}\) & 12.2 \({}^{\text{abcd}}\) & 167.0 \({}^{\text{bcde}}\) & 3.0 \({}^{\text{bc}}\) & 79.1 \({}^{\text{ab}}\) \\ N 9 & 70/60/40 = 170 & 70/60/40 = 170 & 10.0 \({}^{\text{ab}}\) & 11.6 \({}^{\text{bcdeef}}\) & 173.3 \({}^{\text{bcd}}\) & \(-\)3.3 \({}^{\text{bc}}\) & 82.8 \({}^{\text{a}}\) \\ N 10 & 70/90/40 = 200 & 70/90/40 = 200 & 11.1 \({}^{\text{a}}\) & 12.4 \({}^{\text{abc}}\) & 189.4 \({}^{\text{ab}}\) & 10.6 \({}^{\text{bc}}\) & 78.4 \({}^{\text{ab}}\) \\ N 11 & 70/120/40 = 230 & 70/120/40 = 230 & 10.6 \({}^{\text{ab}}\) & 13.6 \({}^{\text{a}}\) & 199.6 \({}^{\text{a}}\) & 30.4 \({}^{\text{a}}\) & 72.6 \({}^{\text{ab}}\) \\ N 12 & GFO & 60/56/55 = 171 & 10.8 \({}^{\text{ab}}\) & 11.8 \({}^{\text{bcde}}\) & 174.7 \({}^{\text{abcd}}\) & \(-\)3.7 \({}^{\text{bc}}\) & 83.2 \({}^{\text{a}}\) \\ N 13 & GFO \(-\) 10\% & 54/50/50 = 154 & 10.3 \({}^{\text{abc}}\) & 10.9 \({}^{\text{cdefg}}\) & 156.0 \({}^{\text{deefgh}}\) & \(-\)2.0 \({}^{\text{bc}}\) & 80.1 \({}^{\text{ab}}\) \\ N 14 & GFO \(-\) 20\% & 48/45/44 = 137 & 9.7 \({}^{\text{bcdefg}}\) & 10.0 \({}^{\text{ghijk}}\) & 133.1 \({}^{\text{hij}}\) & 3.9 \({}^{\text{bc}}\) & 73.4 \({}^{\text{ab}}\) \\ N 15 & GFO \(-\) 30\% & 42/39/39 = 120 & 9.1 \({}^{\text{cdefg}}\) & 9.9 \({}^{\text{ghijkl}}\) & 125.0 \({}^{\text{ij}}\) & \(-\)5.0 \({}^{\text{bc}}\) & 77.0 \({}^{\text{ab}}\) \\ N 16 & GFO \(+\) 10\% & 66/62/61 = 189 & 10.7 \({}^{\text{ab}}\) & 12.4 \({}^{\text{abc}}\) & 182.7 \({}^{\text{abc}}\) & 6.3 \({}^{\text{bc}}\) & 79.4 \({}^{\text{ab}}\) \\ N 17 & BESDyD + Yara N-Tester & 65/50/50 = 165 & 10.4 \({}^{\text{abc}}\) & 11.1 \({}^{\text{cdefg}}\) & 159.0 \({}^{\text{cdefg}}\) & 6.1 \({}^{\text{bc}}\) & 76.6 \({}^{\text{ab}}\) \\ N 18 & Sensor 10 t ha\({}^{-1}\) & 60/43/42 = 145 & 10.1 \({}^{\text{abcde}}\) & 10.5 \({}^{\text{efghijk}}\) & 146.2 \({}^{\text{efghi}}\) & \(-\)1.2 \({}^{\text{bc}}\) & 78.4 \({}^{\text{ab}}\) \\ N 19 & Sensor \(-\) 10\% & 57/36/32 = 125 & 9.0 \({}^{\text{defg}}\) & 9.8 \({}^{\text{ghijkl}}\) & 122.3 \({}^{\text{ij}}\) & 2.7 \({}^{\text{bc}}\) & 71.8 \({}^{\text{ab}}\) \\ N 20 & Sensor \(-\) 20\% & 54/43/16 = 113 & 8.9 \({}^{\text{efgh}}\) & 9.1 \({}^{\text{jkl}}\) & 112.1 \({}^{\text{jk}}\) & 0.9 \({}^{\text{bc}}\) & 70.4 \({}^{\text{ab}}\) \\ N 21 & Sensor \(-\) 30\% & 51/17/36 = 104 & 7.6 \({}^{\text{hi}}\) & 9.0 \({}^{\text{kl}}\) & 95.6 \({}^{\text{kl}}\) & 8.4 \({}^{\text{bc}}\) & 60.6 \({}^{\text{b}}\) \\ N In particular, varying assumptions about yield levels in the sensor-based treatments (N 25 and N 26) had a clear impact on the N application rates, which ranged from 111 to 202 kg ha\({}^{-1}\).