TY - Acta Agronomica Sinica A1 - LIU Yue-Hua, CHEN Yuan-Quan, ZHU Min, QU Bo, SHUI Peng, GAO Wang-Sheng T1 - Relationship between Crop Productivity and Ecological Factors in Poplar-Crop Intercropping Systems in Haihe Lowland Area Y1 - 2010-08-12 JF - Acta Agronomica Sinica JO - Acta Agronomica Sinica SP - 1355 EP - 1361 VL - 36 IS - 08 UR - https://zwxb.chinacrops.org N1 - 10.3724/SP.J.1006.2010.01355 ER -