Using treated graywater for irrigation is better for arid environments

Source: Science Daily

‘This condition, called ‘graywater-induced hydrophobicity,’ is likely temporary and disappears quickly following rainwater or freshwater irrigation events,’ says a researcher. ‘However, it is a more significant concern in arid lands with negligible rainfall as compared with wetter regions.’

https://www.sciencedaily.com/releases/2017/07/170712072746.htm