Soil Pollution

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Soil Pollution

The constant release of harmful chemicals from factories as well as the rapid urbanisation and depletion of forests had lead to reduced water levels and increase in toxins in the soil. This has caused a hazardous impact on our environment. As the world grew conscious of the pollution as well as increasing exhaustion of our limited resources, many concerns are raised to address the different types of pollution. Floods, landslides, earthquakes, forest fires are only some of the natural disasters which are amongst the major implications of pollution. Through this blog, we will explore what soil pollution is, its effects as well as prospective measures we can adapt to tackle it.

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What is Soil Pollution?

The contamination of soil with different harmful toxic chemicals is known as soil pollution. Soil pollution causes perilous effects on our environment and leads to several health hazards. When harmful chemical and toxic elements are released into the soil, it can turn to be extremely dangerous for human beings. The prime reason for soil pollution is the addition of harmful chemicals artificially, especially while farming. Some of the causes of soil pollution are given below:

  1. Excessive use of pesticides or fertilisers in agriculture.
  2. Releasing industrial chemicals and wastes directly into soil without their proper treatment.
  3. No proper drainage system for waste disposal. Open disposal of waste in soil is harmful.

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Major Pollutants

The main components of soil pollution are known as ‘xenobiotics’. This word is of Greek origin where ‘Xenos’ means foreigner and ‘Bio’ means life. Thus Xenobiotics are something which are not naturally present in the soil but are added to the soil artificially by humans. The different types of pollutants that are found in soil are given as follows:

  1. Heavy metals
  2. Hydrocarbons
  3. Mineral oil, amongst others.

Let us discuss the presence of these soil pollutants to understand their harmful effects on soil as well as human beings.

Heavy metals

Presence of heavy metals in high concentrations is harmful for the human population. Not only do they cause soil pollution, but they increase the toxins already present in the soil thus harming the crops or produce grown in it. The toxic metals are generally added in soil due to pesticides, medical wastes, agricultural wastes, etc. Below are some heavy metals that produce toxins and harmful chemicals leading to soil pollution.

  • Mercury
  • Lead
  • Copper
  • Nickel
  • Thallium
  • Antimony
  • Zinc
  • Arsenic
  • Chromium
  • Antimony

Hydrocarbons

As the name suggests, it is a combination of hydrogen and carbon and the presence of these hydrocarbons causes severe health issues to human beings such as cancer and cardiovascular diseases. Some examples of hydrocarbons are Naphthalene, Phenalene and Anthracene, etc.

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Effects of Soil Pollution

Soil pollution has its hazardous implications on human beings, animals as well as plants alike. However, the effect on different living beings is different and has to be dealt with differently.

Effect on Human Beings

The contaminants of soil can be present in all three forms, i.e. solid, liquid and gas. Thus, there are possibilities that the contaminants can enter the human body through skin contact or breathing. There are both short-term and long-term repercussions of the contaminants. The short-term effects are:

  • Skin irritation
  • Respiratory problems
  • Coughing
  • Fatigue
  • Nausea

The long-term effects can be as follows:

  • Cancer
  • Problem in the nervous system
  • Kidney or liver damage

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Effect on Plants and Animals

Due to the high concentration of soil pollutants when the plants grow in the same soil, they undergo the process of bioaccumulation. This affects the growth of the plant and it accumulates various toxins. When any herbivore animal or even a human being intakes such harmful fruits from these plants, the toxins can get shifted from an animal to humans as well. In this way, the entire ecosystem is affected by soil pollution

Effective Control Measures

Soil pollution can be controlled if proper care is taken and the harmful acts are reduced. The remediation would certainly take time and already many measures are being taken by organic farmers and the government to improve soil quality and reduce soil pollution. Some of the ways to control soil pollution are:

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  1. Proper waste management: Harmful wastes can be transported to locations that are empty and uninhabited and then these materials can decomposed accordingly.
  2. Reduction of usage of pesticides, fungicides, etc. for agriculture.
  3. Bioremediation, Mycoremediation and thermal remediation also prove to be useful amongst remedial processes for minimizing soil pollution.

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Thus, we hope that this blog provided you with a detailed analysis of soil pollution. If you aim to study a degree in Environmental Science, book an E-meeting with our experts at Leverage Edu and we will guide in selecting the right course and university that fits your interests and preferences.

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