Effect of biochar on grain yield and leaf photosynthetic physiology of soybean cultivars with different phosphorus efficiencies
ZHU Qian, KONG Ling-jian, SHAN Yu-zi, YAO Xing-dong, ZHANG Hui-jun, XIE Fu-ti, AO Xue
Journal of Integrative Agriculture . 2019, (10): 2242 -2254 .  DOI: 10.1016/S2095-3119(19)62563-3