516 Words Essay on Soil Pollution

Sources of Soil Pollution

Major sources

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(i) Industrial waste

(ii) Urban waste

(iii) Chemical and metallic pollutants

(iv) Biological agents

(v) Radioactive pollutants

(vi) Agricultural practices

Industrial waste:

Disposal of industrial waste is one of the major reasons for soil pollution. Industrial waste mainly consists of organic; inorganic and non-biodegradable materials. These pollutants change the physiochemical and biological aspects of the soil. Such as change in texture, mineral, bacterial and fungal colonies in the soil.

Urban waste:

Because of the consumerism, our life style and food habits have been changing and are dumping us towards the point of danger. It includes both commercial and domestic waste, which is commonly referred to as refuse. This refuse along with solid waste contribute to soil pollution.

Chemical and metallic pollutant:

Various industries such as textile, dyes, soap and synthetic, detergents, drugs and metal industries dump their hazardous waste in soil and water, directly creating harmful impact on living organism.

Biological agents:

Harmful organism such as bacteria, fungi, algae, protozoan and micro­organisms such as nematodes, earthworms, millipedes, snail etc. alter the physiochemical and biological atmosphere of the soil leading to soil pollution.

Radioactive pollutants:

Various radioactive substances are introduced to the environment by different sources such as nuclear reactors, scientific laboratories, explosions, hospitals etc. They penetrate into the soil and accumulate there for many years creating soil pollution.

Agricultural practices:

Advance agro-technology, huge quantities of fertilizers, pesticides, herbicides and weedicides are used to increase the fertility of the soil but their excessive use disrupts the soil’s physiochemical and biological property.

Minor sources

1. Municipal garbage and chemical composition

2. Mining practices

3. Food processing waste

4. Sugarcane trash in the field

Effects of soil pollution

1. Hazardous chemical entered into the food chain from soil, causes disruption of biochemical process.

2. Soil becomes infertile because of water logging and salinity.

3. Toxic chemicals affect plant growth and animal life.

Control Measures for Soil Pollution

1. The waste from various industries should be properly treated before dumping into the soil and water.

2. Use of bio-fertilizers should be promoted instead of chemical fertilizers.

3. Use of toxic and non-biodegradable materials should be discouraged.

4. Education programmes regarding soil pollution and prevention measures should be promoted.

5. There should be strict enforcement of environment protection law.

6. Recycling and reuse of solid waste generated from various sources should be done.

7. Maximum tree plantation should be initiated to minimize soil pollution.

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