Class 11 Biology Mineral Nutrition Introduction


  • All living organisms require both organic and inorganic nutrients for their growth and development.
  • In 1860, Julius von Sachs demonstrated that plants could be grown to maturity in a defined nutrient solution in complete absence of soil.
  • The technique of growing plants in a nutrient solution is known as hydroponics.
  • Hydroponics has been successfully employed as a technique for the commercial production of vegetables such as tomato, seedless cucumber and lettuce.


Fig. Hydroponics

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