Fig. 5

The correlations of deep root intensity and 15N enrichment in barley grain. The correlations were conducted on seven genotypes of barley at 0.87–1.30 m (a) and 1.30–1.74 m (b) soil depths in Exp. 3
The correlations of deep root intensity and 15N enrichment in barley grain. The correlations were conducted on seven genotypes of barley at 0.87–1.30 m (a) and 1.30–1.74 m (b) soil depths in Exp. 3