Changes

There are two kinds of irrigation technologies appropriate for treated wastewater: 1) [[Drip Irrigation - Pepsi and Nica|Drip irrigation]] above or below ground, where the water is slowly dripped on or near the root area; and 2) [[Surface irrigation - general|Surface water irrigation]] where water is routed overland in a series of dug channels or furrows. To minimize evaporation and contact with pathogens, spray irrigation should be avoided. Properly treated wastewater can significantly reduce dependence on freshwater, and/or improve crop yields by supplying increased water and nutrients to plants. Raw sewage or untreated blackwater should not be used, and even well-treated water should be used with caution. Long-term use of poorly or improperly treated water may cause long-term damage to the soil structure and its ability to hold water.