Hydroponics/Soillless/Water culture,Ch.1 XI. Lecture in urdu/hindi thee niology by dileep kumar k

Hydroponics/Soillless/Water culture,Ch.1 XI. Lecture in urdu/hindi thee niology by dileep kumar k
Hydroponics (Hydro = water; ponos =work):
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Biology Sindh Text Book Board, Jamshoro.
It is the science of growing terrestrial plants in an aerated solution. It is also
known as soil less or water culture. Hydroponic farming of vegetables and other
essential plants is one of the techniques through which plantation in certain parts
of the world has fulfilled the food requirement of the inhabitants. Hydroponics
was developed to conduct experiments on the nutrient requirements of plants
especially the micro-nutrients. The advantages of hydroponic farming are as
follows:
1. It controls weeds and soil disease problems.
2. Area required for cultivation is reduced.
3. Crops are successfully grown in arid parts of the world to meet the food
requirements of those areas. For example, tomato crops has been successfully
grown in green-houses in some parts of the world through this technique.
4. It is used to determined which of the mineral elements are essential.