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Effects and causes of soil and land pollution.

Answer Text:
Soil/Land pollution.
-Addition of harmful substances in the soil land leading to deterioration of their state.
Causes:
-Chemical fertilisers added to improve fertility.
-Pesticides, fungicides and herbicides to control pests and diseases.
-Chemicals and explosives which are used during mining.
-Nuclear testing and careless testing of nuclear wastes.
-Presence of garbage heaps which stinks, become breeding ground for disease vectors and make the land to look ugly.
-Open cast mining and quarrying of rocks which leaves open pets which
people may fall into, water may collect in to them and become breeding ground for mosquitoes which transmit malaria.
-Heaping of the overburden on the land during mining.
Effects:
-Causes poisoning and cancers when toxic chemicals are absorbed
by crops then people consume them.
-Contaminates ground water as rain water aids the toxic chemicals to seep underground.
-Kills soil organisms.
-Affects the growth of crops by altering soil PH.
-Makes land derelict i.e. useless for other activities like agriculture.