With the rapid development of industrial and agricultural production and the emergence of environmental pollu-tion problems,soil environmental quality and safety quality of agricultural products become the attention focus.The cadmi-um pollution in the rice fields of southern China led to the problem of excessive cadmium in rice,which seriously affected the development of rice industry in the region and posed a threat to people’s health.Therefore,in order to ensure the grain security of our country,it is very important to study and control the ...