2. waste disposal Soil pollution is mainly caused by waste disposal are caused by chemical substances, which are difficult to degrade such as garbage cans, scrap metal and plastic, these will accumulate in the soil until the causes of soil pollution. In addition, increased waste removal, if there is no correct way to impact causing soil pollution, more. 3. let the waste water from the production process. Most of the waste water that comes from these processes will wash through the various chemicals. In industries such as PCBs (PCB) substances used in the manufacture of paints and plastics. Refugee (HCB) b substances used in the manufacture of synthetic rubber. 4. the use of chemical pesticides (pesticides), which is the active ingredient in most cases, this will destroy the creatures of all kinds, types whether it is useful or punishment towards agricultural activities. Even with human impact. Chemicals that dissolve slowly in soil, residual substances such as to types of chlorinated carbon tahaidon or Te Neiva, Orlando, Nokia shifts chlorine compounds (organochlorine) is atomic chlorine (Cl), with DDT (DDT) used in the cultivation of a malaria epidemic control and control of other insects, dilot green (dieldrin) used in pest control and termite control in agriculture, Al-(aldrin) used in the cultivation of pest. The accumulation of chemicals get rid of enemies. The plant will cause further soil pollution.
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