TY - Acta Agronomica Sinica A1 - FAN Yuan-Fang,YANG Feng*,LIU Qin-Lin,CHEN Jun-Xu,WANG Rui,LUO Shi-Ling,YANG Wen-Yu* T1 - Effects of Shading on Leaf Structure and Photosynthetic Fluorescence Characteristics of Soybean seedlings in Maize-Soybean Relay Intercropping System Y1 - 2017-02-12 JF - Acta Agronomica Sinica JO - Acta Agronomica Sinica SP - 277 EP - 285 VL - 43 IS - 02 UR - https://zwxb.chinacrops.org N1 - 10.3724/SP.J.1006.2017.00277 ER -