Volume 28, Issue 1 (Spring 2024)                   jwss 2024, 28(1): 145-159 | Back to browse issues page


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Kashi M, Alizadeh Ajirlo S, Najafi N. Effects of Irrigation with Treated Sewage Effluent on the Chemical Characterstics of Soil under the Cultivation of Ground Cover Plants (Case Study: Parand City). jwss 2024; 28 (1) :145-159
URL: http://jstnar.iut.ac.ir/article-1-4394-en.html
Department of Landscape Architecture Engineering, Faculty of Agriculture, Tabriz University, Tabriz, Iran. , kashi.phd@yahoo.com
Abstract:   (234 Views)
The reduction of water resources due to the issue of global climate change and population growth is one of the most critical issues facing the designers and planners of the development of green spaces in cities. Against these challenges, there is an urgent need to improve the efficiency of water consumption and chain use of water resources with suitable options. Due to the significant volume of urban wastewater Effluent, its reuse in green space irrigation is important from the point of view of water resource management from an ecological and economic point of view. The effect of the Parand city wastewater treatment plant on the chemical properties of soil under the cultivation of three types of cover crops (Frankinia (FR), Festuca (FE), Dichondra (DI)) in a bed with sandy loam soil is investigated. This study was conducted as a factorial experiment based on a completely randomized design using mixing of water and Effluent at 4 levels with irrigation treatments of zero (control), 50, 75, and 100% compared to fresh water and 3 replications, and then the soil chemistry characteristics such as pH, EC, OC, Na, Cl, Ca, and Mg were evaluated. The results obtained from the soil chemical analysis parameters showed that the pH value decreased in all the treatments with effluent compared to the control, and this decrease was not significant in any treatment. The values of EC and Cl have increased in all plants, and these values were significant in the FR100 treatments with an increase of about 195 and 561% compared to the control, and in the FE100 treatment with an increase of about 54 and 162%, respectively, at the 5% probability level. The amount of OC in the FR100 treatment was significant with an increase of about 41% compared to the control treatment, but in other plants, this ratio was not significant in any treatment. The maximum amount of Mg in the FR50 treatment was 30.27, which has a significant effect compared to other treatments. The amount of Na and Ca in the FR100 treatment was significant with an increase of about 343% and 130%, respectively, compared to the control treatment, while in FE and DI plants, this ratio was not significant in any treatment.
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Type of Study: Research | Subject: Ggeneral
Received: 2023/10/24 | Accepted: 2023/11/11 | Published: 2024/05/30

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