Fig. 6

ADIN content in signal grass pasture roots under different cropping systems, throughout incubation times. Vertical bars indicate the mean standard error (U0, unfertilized signal grass; U50, signal grass fertilized with 50 kg ha⁻¹ N; U100, signal grass fertilized with 100 kg ha⁻¹ N; UC, signal grass intercropped with calopo).