soldiers. Stroncium-90, for example, has a half-life of 28 years, and the half-life of Caesium-137 is 30 years. Other radioactive wastes from the sources like mining and nuclear processes reach to the soil through water and affects the soil and ultimately to the plants, animals (through grazing) and human (through food, role play thesis milk, meat etc). There are many highly effective fertilizers available in the market proving their best to improve crop production however getting more toxic and polluting the whole fertile soil when sprinkled over crops.
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(iii) Effects on Human : Below mentioned are some such effects of soil pollution, which are visible at some places. In temperate regions, DDT has a half-life (the amount of time required for half of the chemical to decompose) of 10-15 years. (ii) Use Bio-Pesticides and Fungicides: To avoid soil pollution, it is important, that along with fertilizers, farmers should also use to bio pesticides and fungicides. Industrial Waste, steel, pesticides, acknowledgement from pakistani thesis textiles, drugs, glass, cement, petroleum, etc. This is especially important if your garden is located near an industrial or mining area, or within 1 mile of a main airport, harbor, landfill, or foundry. The main causes of soil pollution are described below in details: (i) Haphazard use of Fertilizer : advertisements: Soil nutrients are vital for plant growth and development. Once the pollutants gets mixed to the soil remains in direct contact with soil for long period of time. If the same crop is grown again, depleted levels of the nutrients can result in decreased yields. Are produced by paper mills, oil refineries, sugar factories, petroleum industries and others as such. Insects soon became resistant to DDT and as the chemical did not decompose readily, it persisted in the environment. Diseases Caused by Soil Pollution, humans can be affected by soil pollution through the inhalation of gases emitted from soils moving upward, or through the inhalation of matter that is disturbed and transported by the wind because of the various human activities on the ground. The precious rain forest habitats of South America, tropical Asia and Africa are coming under pressure of population growth and development.