Page 27 - Landscape-Issue141
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THIRSTY PLANTS, THRIFTY PLANET:



       Unpacking the Bene ts of Greywater Reuse in Landscaping

                                                                                originate from the kitchen (kitchen waste) and
                                                                                laundry (soap), respectively.  These nutrients
                                                                                nourish our soil and plants, promoting healthier
                                                                                growth and vibrant blooms.
                                                                                Drought Resilience: Greywater is a useful
                                                                                resource during periods of water constraint.
                                                                                Use this sustainable water source to keep your
                                                                                garden  ourishing even during dry seasons.

                                                                                Customised Irrigation: Adapt the use of
                                                                                greywater to the requirements of your garden.
                                                                                You can choose to maximise water distribution
                                                                                by using mulch basins or drip irrigation. (It is
                                                                                essential that you treat greywater to remove
                                                                                excess residue as this could potentially block
                                                                                emitters).

                                                                                Safe and Sustainable use of Greywater
                                                                                •  Greywater has been shown to be a potential
                                                                                 hazard to human health. Its handling must be
                                                                                 done with care to reduce the risk of infection.
                                                                                 Use gloves when handling greywater.
                                                                                •  Greywater  containing  potentially  infectious
                                                                                 pathogens should not be used for irrigation.
                                                                                 This includes water used to wash nappies or
                                                                                 soiled sheets.
                                                                                •  To  reduce  odour  and  bacteria,  greywater
          and Water is dedicated to supporting both   as laundry, toilet  ushing, and plant irrigation   should be used within 24 hours of collection.

          industries and communities in becoming   that can additionally assist in lowering potable   •  Subsurface  irrigation  is  the  best  way  of
      Rconscientious  water consumers.  This   water use in arid areas by up to 50%. Blackwater   watering since it protects against possible
       commitment is exemplified, in part, by its Water   on the other hand, is toilet water that contains   microbiological health hazards.

       Wise  brand.  Beyond  educating  on  various   faecal matter and urine. Faecal matter is a   •  To  avoid  waterlogging  and  prevent  root
       facets of water conservation, the brand delves   breeding ground for harmful bacteria and   damage, it’s critical to disperse greywater
       into  pioneering  methods  and  techniques  for   pathogens that can cause diseases. Greywater   uniformly in your landscape.
       promoting responsible water usage.   can be collected using a bucket, connecting   •  When  irrigating  with  greywater,  it  is  not
        Water  scarcity  is  becoming  a  worldwide   a pipe from a bathroom outlet to a garden   advisable to use spray irrigation.  This is
       issue rather than a remote worry. The demand   or installing a greywater treatment system   primarily due to the increased risk of exposing
       for adaptable solutions is  growing due to   (wetlands, green walls) that will  lter large   people to greywater.

       these issues, and  using greywater o ers a   particles, nutrients and pump-treated water   •  Where possible, greywater should not be used


       straightforward  but  e ective  option  to  shift   through irrigation pipes.  for an extended period in the same area. This
       our water-use patterns. Greywater utilization                             may result in  the accumulation of di erent

       is  signi cant  because  it  may  simultaneously   Bene ts of Greywater in Your Landscape  components found in greywater that may


       address two urgent issues: environmental   Water  Conservation:  The use of greywater   negatively impact the plant’s health.
       sustainability and water scarcity. Adopting   provides us with an opportunity to use an
       greywater methods is a critical step toward a   average of approximately 35 – 234 litres (per
       future where we are more water-conscious and   person per day) of greywater which can be
       resilient. In the face of an unpredictable climate,   repurposed for irrigating our plants. It’s a small   Always be #WaterWise
       conservation  is  a commitment  to  protecting   change that makes a big impact on our planet!
       our most valuable resource.

                                            Cost-E ective:  The use of greywater is
       What is Greywater?                   inexpensive and for this reason, our water bills
       Greywater is wastewater that can be reused for   can be drastically reduced while investing in a
       other purposes. Greywater makes for as much   greener future.
       as 70% of all residential water use. Although   Lush Landscapes: Watch your garden flourish!

       greywater and blackwater are typically   Greywater provides essential nutrients such as
       combined, separating the two, greywater on   total  nitrogen  (2.75  to  21.00  mg/L)  and  total
       its  own  provides  several  opportunities  such   phosphorus (0.062 to 57.00 mg/L) that mainly
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