【Objective】The present study aimed to provide the theoretical basis and technical support for the prevention and control of Rice Cd pollution. 【Method】Field experiments were carried out to investigate the effects of composite passivator T1(activated carbon nanop-article and silicon-potassium-calcium-magnesium fertilizer),T2(volcanic rock and calcium-magnesia phosphate fertilize) and their compound treatments with silicon fertilizer Si(T1,T2,Si,T1 + Si,T2 + Si) on cadmium(Cd) remediation in paddy soil and Cd...