TY - Acta Agronomica Sinica A1 - QIN Xiao-Min, PAN Hao-Nan, XIAO Jing-Xiu, TANG Li, ZHENG Yi T1 - Effects of maize and soybean intercropping on nodule growth, nitrogen fixation of soybean under low phosphorus condition Y1 - 2021-11-12 JF - Acta Agronomica Sinica JO - Acta Agronomica Sinica SP - 2268 EP - 2277 VL - 47 IS - 11 UR - https://zwxb.chinacrops.org N1 - 10.3724/SP.J.1006.2021.04237 ER -