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International Journal of Soil Science
  Year: 2017 | Volume: 12 | Issue: 3 | Page No.: 104-112
DOI: 10.3923/ijss.2017.104.112
 
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Impact of Treated Wastewater Irrigation on Soil Properties and Production of Cucumis melo inodorus in Gaza Strip
Maged Mohamed Yassin, Mohamed Jamal Safi and Jamal Mohamed Safi

Abstract:
Background and Objective: The use of treated wastewater (TWW) for agricultural irrigation becomes increasingly important in water stressed regions like Gaza Strip for substituting potable water (PW) resources. This study aimed to assess the impact of TWW irrigation on soil properties and production of Cucumis melo inodorus in Gaza Strip. Materials and Methods: Melon was planted in a design of one block with randomized treatments plots scattered within. Six treatments were used: 4 treatments included application of PW and TWW to the field by above surface drip irrigation, with and without plastic ground cover and 2 treatments of TWW sub-surface drip irrigation at depth of 20 cm with and without ground cover. Each treatment was replicated in 5 plots. PW and TWW samples were analyzed for physico-chemical and biological properties. Soil samples were collected from 0-10 and 10-30 cm depths and also analyzed for physico-chemical properties. The weight of the harvested melon fruit (total fruit weight/total fruit quantity) as well as the plant biomass (total plant biomass/total plant quantity) were determined. Data was analyzed by SPSS. Results: Water analysis showed that biological oxygen demand (BOD) of TWW meets the World Health Organization (WHO) standards whereas chemical oxygen demand (COD) was higher than the acceptable WHO limit. The pH, total alkalinity, P and K levels were significantly increased in TWW compared to PW whereas electrical conductivity (EC), total dissolved salts (TDS), NO3, S, Cl, total hardness, Ca, Mg and Na were significantly decreased in TWW. However, EC and TDS values were higher than the WHO acceptable range. Heavy metals were below the detected limit. Total and fecal coliforms contamination in TWW exceeds that of the WHO standards. Irrigation with PW and TWW increased soil EC, TDS, NO3, S, Cl, P, K, Na, Ca and Mg, with the highest effect of TWW. The weight of the harvested melon fruit as well as the plant biomass were higher in plots irrigated with TWW than those irrigated with PW. Conclusion: This study suggests a future possibility of TWW reuse in Gaza Strip in terms of its low content of heavy metals, enhancement of soil fertility and crop yield.
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How to cite this article:

Maged Mohamed Yassin, Mohamed Jamal Safi and Jamal Mohamed Safi, 2017. Impact of Treated Wastewater Irrigation on Soil Properties and Production of Cucumis melo inodorus in Gaza Strip. International Journal of Soil Science, 12: 104-112.

DOI: 10.3923/ijss.2017.104.112

URL: https://scialert.net/abstract/?doi=ijss.2017.104.112

COMMENTS
05 February, 2020
BERHE HAGOS:
i need this Article as a reference
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