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News - Greywater re-use: Why irrigating your garden...

Author: Engela Duvenage
Published: 21/05/2021
For the sake of the soil in which your plants must grow and thrive, think twice before deciding to re-use laundry greywater in your garden. If you really want to use it as part of your greywater system, at least then chose liquid washing detergent over washing powder, as it still degrades the soil, but not as much. That is the message from soil scientists at Stellenbosch University, who published the first ever comprehensive research on the topic in the
Journal of Hydrology.
The study was led by Dr Ailsa Hardie of the Department of Soil Science in the Faculty of AgriSciences at Stellenbosch University. It is based on the MSc work of one of the co-authors, Ms Ncumisa Madubela, who in January 2020 received an award for the best junior research paper presented at the annual congress of the Soil Science Society of South Africa. Ms Madubela graduated in March 2020. Dr Cathy Clarke and Mr Vink Lategan, also of the SU Depa ....

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Laundry greywater from powdered detergents very harmful for the garden

Laundry greywater from powdered detergents very harmful for the garden
702.co.za - get the latest breaking news, showbiz & celebrity photos, sport news & rumours, viral videos and top stories from 702.co.za Daily Mail and Mail on Sunday newspapers.

Western Cape , South Africa , Ailsa Hardie , Ncumisa Madubela , Department Of Soil Science , Faculty Of Agrisciences At Stellenbosch University , Stellenbosch University , Soil Science , மேற்கு கேப் , துறை ஆஃப் மண் அறிவியல் , மண் அறிவியல் ,

Why irrigating your garden with laundry greywater is a bad idea

Why irrigating your garden with laundry greywater is a bad idea
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For the sake of the soil in which your plants must grow and thrive, think twice before deciding to re-use laundry greywater in your garden.
If you really want to use it as part of your greywater system, at least then chose liquid washing detergent over washing powder, as it still degrades the soil, but not as much. That is the message from soil scientists at Stellenbosch University, who published the first ever comprehensive research on the topic in the Journal of Hydrology.
The study was led by Dr Ailsa Hardie of the Department of Soil Science in the Faculty of AgriSciences at Stellenbosch University. It is based on the MSc work of one of the co-authors, Ms Ncumisa Madubela, who in January 2020 received an award for the best junior research paper presented at the annual congress of the Soil Science Society of South Africa. Ms Madubela graduated in March 2020. Dr Cathy Clarke and ....

South Africa , Cape Town , Western Cape , Cathy Clarke , Ailsa Hardie , Ncumisa Madubela , Vink Lategan , Department Of Soil Science , Soil Science Society Of South Africa , Stellenbosch University , Su Department Of Soil Science , Faculty Of Agrisciences At Stellenbosch University , Soil Science , Soil Science Society , Simply Green , Day Zero , கேப் நகரம் , மேற்கு கேப் , கேத்தி கிளார்க் , துறை ஆஃப் மண் அறிவியல் , சு துறை ஆஃப் மண் அறிவியல் , மண் அறிவியல் , மண் அறிவியல் சமூகம் , வெறுமனே பச்சை , நாள் பூஜ்யம் ,

Study: Why irrigating your garden with laundry greywater is a bad idea

This “stripping effect” causes clay particles in the soil to disperse, blocks soil pores and in turn causes a crust to form on the surface that seals the soil.
“It becomes difficult for water to soak into soils and increases run-off when it rains or when you water your garden. In essence you are then actually wasting water, because in time very little water gets to penetrate into the soil to reach plant roots,” said Hardie.
The blocking of soil pores also decreases the water holding capacity of soils. In times of drought this makes soils even drier. Soils become increasingly saline (brackish) and alkaline. ....

South Africa , Western Cape , Ailsa Hardie , Ncumisa Madubela , Soil Science Society Of South Africa , Stellenbosch University , Soil Science Society , Day Zero , Laundry Greywater , Washing Detergent , மேற்கு கேப் , மண் அறிவியல் சமூகம் , நாள் பூஜ்யம் ,