D N S D×N D×S N×S D×N×S
Plant biomass 77.7*** 101.4*** 1.0 26.2*** 0.4 0.2 2.4
Plant richness 61.0*** 30.1*** 1.9 8.1** <0.1 6.4* 2.5
Foliar N 37.4*** 102.0*** 1.6 2.8 0.6 2.6 4.1*
Height 147.7*** 2.7 <0.1 1.7 <0.1 0.8 5.8*
CVheight 9.5** 4.4* 0.1 3.4 1.6 2.0 0.1
Moisture 20.2*** 0.2 <0.1 <0.1 1.1 0.4 0.8