Geological Laboratory Reference Material Management
With the development of society,people's living standards have improved.Agricultural products are shifting from quantity to quality,and people's demands for food are gradually increasing.We are also paying more attention to the quality and safety of agricultural products.Shenyang is a city that mainly grows rice and corn.Through the analysis of agricultural land,straw and seeds in a certain district of Shenyang,20 samples were collected for each category to analyze the five elements of Cd,Hg,As,Pb,and Cr and pH was added to the soil.It was found that heavy metals exceeded the standard in this experiment,and the absorption of heavy metals by straw was higher than that of seeds.It was recognized that the inspection and testing of agricultural products should not be neglected,It was necessary to focus on safety supervision of agricultural land and products,conduct quality and safety inspections,strictly control quality issues,and ensure the quality and safety of agricultural products.
万方数据
维普
