TY - Chinese Bulletin of Botany A1 - Lu Zhang,Xinhua He T1 - Nitrogen Utilization Mechanism in C3 and C4 Plants Y1 - 2020-03-01 JF - Chinese Bulletin of Botany JO - Chinese Bulletin of Botany SP - 228 EP - 239 VL - 55 IS - 2 UR - https://www.chinbullbotany.com N1 - 10.11983/CBB19113 ER -