From: Joint interactions of carbon and nitrogen metabolism dominated by bicarbonate and nitrogen in Orychophragmus violaceus and Brassica napus under simulated karst habitats
Metabolism process
Karst drought
High bicarbonate and high nitrate
High bicarbonate and low ammonium
Ov
Bn
Photosynthesis
+
–
NR/GOGAT
Glucose metabolism
Carbon/nitrogen accumulation