Soil pollution with heavy metals wi

Soil pollution with heavy metals will lead to losses in agricultural yield and hazardous health effects as they enter into the food chain. It has been observed that agricultural soils have been contaminated due to he use of chemical fertilizers,
pesticides, irrigation water and disposal of chemicals nearby. It is clear that quality control of herbal materials and
medicinal plants is very important, not only for the safety of the herbal medicines themselves, but also for food
safety. It should be borne in mind that although controlling the contaminants in plant of the herb has certain
similarities, there may also be many differences. Therefore, more research is needed in order to establish the
scientific evidence criteria for herbal medicines.