Plant density Plant density Plant coverage Plant coverage Plant height Plant height
Effect C3 plants C4 plants C3 plants C4 plants C3 plants C4 plants
DF1 DF1 DF2 F-ratio F-ratio F-ratio F-ratio F-ratio F-ratio
Warming(W) Warming(W) 1 1 15 12.03* 1.43 5.49* 11.18* 9.46* 0.64
Nitrogen(N) Nitrogen(N) 1 1 15 3.41 5.03* 0.65 22.37** 3.30 0.36
W×N W×N 1 1 15 0.25 8.46* 3.82 8.87* 3.90 0.24
Year(Y) Year(Y) 1 1 212 0.59 0.90 0.01 0.30 4.44* 0.81
W×Y W×Y 1 1 212 1.32 1.61 1.14 4.06 3.59 0.97
N×Y N×Y 1 1 212 1.07 0.74 0.012 0.13 1.34 0.58
W×N×Y W×N×Y 1 1 212 0.19 0.06 0.23 0.06 3.15 0.71