Mechanisms of phytoremediation are proposed to be uptake of organic chemicals by plant and effect of plant root secretion and microorganisms on the degradation of organiccontamination.
The paper mainly introduces current status of organiccontamination in groundwater, and combines the tenet, mainstream and proposition of environmental ethics to discuss the origin of the problem.
What is clear is that both organic and conventional foods are susceptible to contamination by pathogenic microorganisms at every point in the food chain.