THE INTEGRATED MANAGEMENT OF WASTE WATER TO IRRIGATE TURF GRASS

Abstract

The experiments were conducted in Eastown and Lake View sites in the Fifth Settlement - New Cairo, at N = 30° 01' 14.4", E = 31° 51' 60.9" and N = 30° 02' 22", E = 31° 44' 31.3", respectively, and the experiments were done in (2019). The area under investigation was 600 m², divided into two sections: spray irrigation system planted with turf grass (passpalm 10) and drip irrigation system (on-line and built-in emitters) planted with shrubs (Lantana camara nana) and trees (Calistemon viminalis). Irrigation with two types of water: treated wastewater and irrigation water with the use of two types of filters in the Lake View site (a screen filter and a sandy filter) and the use of one type of filters in the Eastown site, which is screen filter. The washing process was carried out manually and automatically. The obtained results show that, emission uniformity for drip system was higher when using automatic operation with treated wastewater by (5 - 6 - 2.3 - 4.9%) for on-line and built-in emitters in Lake View site, on-line and built-in emitters in Eastown site, respectively, than manual operation. Distribution uniformity for spray system was higher when using automatic operation with treated wastewater by (5 and 5.1%) in Lake View site and Eastown site, respectively, than manual operation. Clogging ratio was higher when using manual operation with treated wastewater by (20 - 23 – 15.75 – 22.7%) for on-line and built-in emitters in Lake View site, on-line and built-in emitters in Eastown site, respectively, than automatic operation. The turf quality index (color, density, ground cover) gave the highest degree when using treated wastewater with automatic operation, which is due to the nutrients in treated wastewater.