Traits VCR (%) VCR (%) VCR (%) VCR (%) VCR (%) VCR (%) VCR (%)
N P N×P W N×W P×W C
Total root length (TRL) 22.23 6.46 0.12 13.68 1.75 0.83 21.97
Root surface area (RSA) 9.74 6.67 0.42 34.78 0.96 3.31 20.79
Root volume (RV) 3.80 6.38 1.74 45.83 0.57 5.08 17.97
Root tips (RT) 19.88 22.51 3.62 4.83 2.99 0.15 26.54
Root biomass (RB) 0.45 6.04 6.33 21.19 4.98 5.94 22.81
SRL 13.44 4.16 5.42 14.93 9.20 14.04 16.51
Total 69.54 52.22 17.65 135.24 20.45 29.35 126.59