Effect of treated grey water reuse in irrigation on soil and plants

Al-Hamaiedeh, Husam; Bino, Murad J.

doi:10.1016/j.desal.2010.02.004

Cited by 191 publications

(96 citation statements)

References 33 publications

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“…The processes used by plants to optimize the use of P involve decreased growth rates, and an increased growth per unit of P uptake (Jenks and Hasegawa, 2008), which may also have contributed to the reduced growth observed in greywater-treated plants here. Soil moisture content remained unaffected by greywater (Fig.10C); however, this was measured for 4 weeks only and prolonged greywater irrigation has been shown to increase salinity, elevate pH (for example from 7.0 to 8.5 (Travis et al, 2010)) and boron concentration, and decrease capillary rise of water (Finley et al, 2009;Al-Hamaiedeh and Bino, 2010;Misra et al, 2010;Rodda et al, 2011).…”

Section: Soil Characteristicsmentioning

confidence: 99%

“…Greywater is already used for irrigation of crops, more widely so in arid regions where its reuse reduces potable water use by up to 50% (Al-Hamaiedeh and Bino, 2010). In South Africa, parts of the country receive less than the required 500 mm annual rainfall for rain-fed cropping (Schulze, 1997).…”

Section: Introductionmentioning

confidence: 99%

“…The elevated salinity, pH and boron content of greywater can also adversely impact soil in the long term (Finley et al, 2009;Al-Hamaiedeh and Bino, 2010;Misra et al, 2010;Rodda et al, 2011). Previous studies have investigated the effects of greywater irrigation on several conventional crops such as tomato (Misra et al, 2010), carrot, lettuce, red pepper (Finley et al, 2010), green pepper and Swiss chard (Rodda et al, 2011).…”

Section: Introductionmentioning

confidence: 99%

“…Abiotic stresses such as salinity can compromise both seed germinability (Hasanuzzaman et al, 2013) and seedling growth (Munns, 2002). Other stresses include increasing hydrophobicity of soils as a result of adsorption of surfactants to soil particles (Travis et al, 2010), and reduced water and nutrient availability (Al-Hamaiedeh and Bino, 2010). Soil pH, moisture content and electrical conductivity were therefore also measured in this study.…”

Section: Introductionmentioning

confidence: 99%

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Effects of greywater irrigation on germination, growth and photosynthetic characteristics in selected African leafy vegetables

Lubbe¹,

Rodda²,

Sershen³

2016

WSA

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The reuse of greywater, wastewater from sources other than toilets, could enable low-income households to save potable water for drinking and cooking. Greywater irrigation of food crops is widely practised but its effects on African leafy vegetables (ALVs), which hold potential for cultivation to improve food security, are unknown. This study investigated the effects of synthetic greywater irrigation on germination in three ALVs, viz., Amaranthus dubius, Cleome gynandra and Solanum nigrum, and subsequent seedling growth in A. dubius and S. nigrum. Seeds and seedlings were treated with chlorinated and dechlorinated greywater and tap water, supplemented with nutrients. Greywater application decreased germination capacity (by 23-25%) when assessed in Petri dishes in A. dubius only. However, greywater application was less harmful to A. dubius seeds sown in soil. Vigour was compromised in greywater-treated seeds of all three species but greywater can be used to irrigate freshly-sown seeds of A. dubius without reducing percentage seedling production. However, greywater irrigation reduced capacity (by 21-23%) and rate of shoot emergence in S. nigrum, and growth and chlorophyll content in both species. These negative effects were accompanied by increased soil electrical conductivity (after 21 d) and pH (after 14 d). The reduced growth under greywater irrigation was most likely based on a reduction in light-harvesting capacity and/or nutrient availability. Overall, S. nigrum seedlings were significantly more sensitive to the negative effects of greywater, possibly due to increased transpirational water loss under greywater irrigation. The effects of greywater were largely independent of chlorine content. Applying greywater in excess of plant requirements and/or alternating greywater irrigation events with freshwater watering events could promote leaching of salts found in greywater. The effects of greywater irrigation on soil water and nutrient availability demand further investigation for ALVs.

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Section: Soil Characteristicsmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

See 2 more Smart Citations

Effects of greywater irrigation on germination, growth and photosynthetic characteristics in selected African leafy vegetables

Lubbe¹,

Rodda²,

Sershen³

2016

WSA

View full text Add to dashboard Cite

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“…It designates the organic biodegradable and non-biodegradable and other oxidizable substances contained in the effluent (Bali, Gueddari, & Boukchina, 2010;Al-Hamaiedeh & Bino, 2010;X. Zhang, Zhao, M. Zhang, & Wu, 2011).…”

Section: Removal Of Organic Pollutantsmentioning

confidence: 99%

Study of the Wastewater Purifying Performance in the M’Zar Plant of Agadir, Morocco

Mouhanni¹,

Bendou²,

Houari³

2013

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In order to preserve the quality of water masses and reduce the deterioration of the natural environment, alternative water supplies should be required. The reuse of treated wastewater seems to be a good alternative in agriculture. Our study focuses on the characterization of the physico-chemical effluents (pH, EC, Turbidity, SS, COD, and BOD 5 ) in treated wastewater of M'zar plant in Agadir during one-year cycle. It aimed to study the evolution of these parameters over five years since 2006 in compliance with discharge standards in the natural environment and concerning the safety of water for irrigation. It has been shown that the quality and quantity of wastewater depends essentially on the amount of water consumed by the population, the intensity of industrial activities and tourism according to the seasons. The removal percentage of particulate pollution and oxidizable parameters already mentioned were very satisfactory and range from an average of (97 to 99%). The rate of the Electrical Conductivity (EC) does not change between input and output of plant. The treated wastewater characterized by a high EC (between 3 and 4 dS/m) and it can be a problem for reuse in irrigation.

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