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Answer Posted / john mathew
Hydroponics is a method of growing plants using mineral
nutrient solutions, in water, without soil. Terrestrial
plants may be grown with their roots in the mineral
nutrient solution only or in an inert medium, such as
perlite, gravel, mineral wool, or coconut husk.Some of the
reasons why hydroponics is being adapted around the world
for food production are the following:
No soil is needed
The water stays in the system and can be reused- thus,
lower water costs
It is possible to control the nutrition levels in their
entirety- thus, lower nutrition costs
No nutrition pollution is released into the environment
because of the controlled system
Stable and high yields
Pests and diseases are easier to get rid of than in soil
because of the container's mobility
Today, hydroponics is an established branch of agronomy.
Progress has been rapid, and results obtained in various
countries have proved it to be thoroughly practical and to
have very definite advantages over conventional methods of
horticulture. The two chief merits of the soil-less
cultivation of plants are, first, much higher crop yields,
and second, hydroponics can be used in places where in-
ground agriculture or gardening is not possible.
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