Heavy metal pollution will seriously affect soil quality and crop quality and safety, and pose a threat to human health. In order to prevent heavy metal pollution in soil, the following measures can be taken: 1. Choosing suitable pesticides, fertilizers and soil conditioners: replacing chemical fertilizers with organic fertilizers and using natural bio-organic fertilizers can effectively reduce the risk of soil pollution. Moreover, plants resistant to heavy metals can be selected, and agricultural materials contaminated by heavy metals should be avoided during planting. 2. Take measures such as land rotation: by rotating different crops and greening plants, reduce the dependence of single crops on soil nutrients and avoid the long-term loss of single nutrients to the soil, thus reducing the accumulation of heavy metals in the soil. 3. Carry out soil remediation and regular monitoring and testing: If the soil has been polluted by heavy metals, relevant soil remediation measures need to be taken. At the same time, soil monitoring and testing should be carried out regularly in order to find soil pollution in time and prevent further harm. 4. Strengthen the awareness of environmental protection and the construction of laws and regulations: The awareness of environmental protection can strengthen people's understanding of the ecological environment and natural resources and form the whole society's understanding of promoting the construction of ecological civilization. The formulation and implementation of laws and regulations can ensure the smooth progress of environmental protection.
How to identify whether the soil is polluted by heavy metals? Through soil monitoring and testing, it can be judged whether the soil is polluted by heavy metals. Generally, modern soil analysis methods can be used to judge whether the soil is polluted by detecting the content of heavy metal elements in the soil, or to evaluate the soil quality, compare the historical data before and after, and observe the indicators such as soil color and softness.
In order to prevent heavy metal pollution in soil, a series of measures should be taken, including selecting suitable pesticides, fertilizers and soil conditioners, carrying out land rotation, and taking measures such as soil remediation and regular monitoring. At the same time, it is also important to strengthen environmental awareness and legal construction.
Legal basis:
Law of People's Republic of China (PRC) on Prevention and Control of Soil Pollution Article 9 The State supports the research and development, achievement transformation and popularization and application of pollution prevention science and technology such as risk management, remediation and monitoring of soil pollution, encourages the development of soil pollution prevention industry, strengthens the training of professional and technical personnel for anti-aging soil pollution prevention, and promotes the scientific and technological progress of soil pollution prevention. The state supports international exchanges and cooperation in the prevention and control of soil pollution.