Fig. 4. Changes in nitrate N concentration of subirrigation with glucose C levels at (a) 0, (b) 20, (c) 70, (d) 150, and (e) 300 mg L-1 at the 40-cm depths after 96 d of subirrigation (Experiment II, Stage 2). Error bars show SD
Fig. 4. Changes in nitrate N concentration of subirrigation with glucose C levels at (a) 0, (b) 20, (c) 70, (d) 150, and (e) 300 mg L-1 at the 40-cm depths after 96 d of subirrigation (Experiment II, Stage 2). Error bars show SD