Soil Pollution Essay
Soil is the thin layer of organic and inorganic materials that covers the Earth's rocky surface. The organic portion, which is derived from the decayed remains of plants and animals, is concentrated in the dark uppermost topsoil. The inorganic portion made up of rock fragments, was formed over thousands of years by physical and chemical weathering of bedrock. Productive soils are necessary for agriculture to supply the world with sufficient food. A soil pollutant is any factor which deteriorates the quality, texture and mineral content of the soil or which disturbs the biological balance of the organisms in the soil. Pollution in soil has adverse effect on …show more content…
Pesticide problems such as resistance, resurgence, and heath effects have caused scientists to seek alternatives. Pheromones and hormones to attract or repel insects and using natural enemies or sterilization by radiation have been suggested. Today, agriculture has become an industry, named intensive farming, that produces more on quantity than on quality to maximize profits. So, a huge of pesticides is used to fight parasite insects, moulds and herbs that can destroy part of all our crops. The problem is that the residues of these pesticides are toxic for human beings when present in the vegetable products we consume and when they remain and accumulate in the soil.