Usually soil provides nutrients (and a "holding tank" for water), but nutrients can be added directly to the water as a substitute for soil using a technique called hydroponics.
(soil; provides; nutrients (and a "holding tank" for water; T:Usually) (nutrients; can be added directly; to the water) (a substitute for soil; using; a technique called hydroponics) (a technique; called; hydroponics)
soil nutrients a substitute for soil a technique
provides can be added directly using called
nutrients (and a "holding tank" for water T:Usually
to the water
a technique called hydroponics
hydroponics