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Overuse of Land by Intensive Farming
- • Intensive farming uses large quantities of inorganic fertilizers containing nitrate, phosphate and potassium ions
also known as ‘NPK’.
- • Inorganic fertilisers are very effective but also have undesirable effects on the environment.
- • They contain nitrate and ammonium ions which are very soluble and can quickly leach out into local rivers and
lakes.
- • This results in rapid algal growth particularly in lakes.
- • This populations explosion is known as an algal bloom. The enrichment of a body of water with inorganic
nutrients is a case of eutrophication.
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