ELEMENT:
Sub-surface Irrigation
AIM:
To ensure that the water resources of the Healthy Home were used efficiently
a sub-surface irrigation system was installed in the permaculture.
STRATEGY:
Optimal Use of Water Resources
A sub-surface irrigation system is more water efficient than above ground
sprinklers as evaporation is reduced and spray drift is eliminated.
The sub-surface irrigation system consists of a porous hose that slowly
leaks as water is passed through it. The hose is made from recycled car
tyre rubber, which means that a minimum of new material is used in it's
manufacture.
Other surface irrigation sysems include trickle tape which is widely
used in the farm irrigation industry.
Blocking of pores/emitters is a common problem with subsurface systems
and a sediment filter is highly recommended to remove suspended particles
down to 20 microns.
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