TY - Acta Agronomica Sinica A1 - WANG Yong-Jun, SUN Ji-Zhuan, YANG Jin-Qing, WANG Kong-Jun, DONG Shu-Ting, YUAN Cui-Beng, WANG Li-Chun T1 - Effects of Controlled-Release Urea on Yield and Photosynthesis Characteristics of Maize (Zea mays L.) under Different Soil Fertility Conditions Y1 - 2011-12-12 JF - Acta Agronomica Sinica JO - Acta Agronomica Sinica SP - 2233 EP - 2240 VL - 37 IS - 12 UR - https://zwxb.chinacrops.org N1 - 10.3724/SP.J.1006.2011.02233 ER -