Irrigation with Treated Wastewater: Potential Impacts on Microbial Function and Diversity in Agricultural Soils

Lopes, Ana Rita; Becerra-Castro, Cristina; Vaz‐Moreira, Ivone; Silva, M. Elisabete F.; Nunes, Olga C.; Manaia, Célia M.

doi:10.1007/698_2015_346

Cited by 11 publications

(9 citation statements)

References 150 publications

(132 reference statements)

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“…Treated wastewater may also increase abundance of soil microbes, specifically fungal and bacterial community compositions [325], and change the ammonia-oxidizing bacteria in soils [326,327]. The significant microbiological threats that were related to the implementation of wastewater irrigation in agriculture are specific towards disruption of soil's native microbial populations and the impact on their functional process [328].…”

Section: Irrigation Watermentioning

confidence: 99%

Effects of Abiotic Stress on Soil Microbiome

Rahman

Hamid

Nadarajah

2021

IJMS

137

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Rhizospheric organisms have a unique manner of existence since many factors can influence the shape of the microbiome. As we all know, harnessing the interaction between soil microbes and plants is critical for sustainable agriculture and ecosystems. We can achieve sustainable agricultural practice by incorporating plant-microbiome interaction as a positive technology. The contribution of this interaction has piqued the interest of experts, who plan to do more research using beneficial microorganism in order to accomplish this vision. Plants engage in a wide range of interrelationship with soil microorganism, spanning the entire spectrum of ecological potential which can be mutualistic, commensal, neutral, exploitative, or competitive. Mutualistic microorganism found in plant-associated microbial communities assist their host in a number of ways. Many studies have demonstrated that the soil microbiome may provide significant advantages to the host plant. However, various soil conditions (pH, temperature, oxygen, physics-chemistry and moisture), soil environments (drought, submergence, metal toxicity and salinity), plant types/genotype, and agricultural practices may result in distinct microbial composition and characteristics, as well as its mechanism to promote plant development and defence against all these stressors. In this paper, we provide an in-depth overview of how the above factors are able to affect the soil microbial structure and communities and change above and below ground interactions. Future prospects will also be discussed.

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Section: Irrigation Watermentioning

confidence: 99%

Effects of Abiotic Stress on Soil Microbiome

Rahman

Hamid

Nadarajah

2021

IJMS

137

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“…Ruiz et al [29] found that salinity reduced leaf Mg concentration in citrus. Variable results may be produced by the compounds in saline water and their concentrations, the duration of irrigation, and the species and varieties of crops irrigated [30,31].…”

Section: Discussionmentioning

confidence: 99%

Effects of Ionic Components of Saline Water on Irrigated Sunflower Physiology

Zhang

2019

Water

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The characteristics of ions in saline water can be significantly different along the water salinity gradient. The physiologic processes of plants that are irrigated with this kind of water are remarkably influenced. Based on the field sampling data, the chemical components of irrigation water were studied, and their influence on sunflower nutrient uptake, water content, and dry weight were evaluated. The results demonstrated that irrigation water salinity was mainly controlled by Na, SO4, Mg, and Cl concentrations and the ionic characteristics changed as soon as water becomes saline. The concentrations of Na, Ca, Mg, and N in sunflower leaves changed slightly with increasing irrigation salinity, whereas the concentration of leaf C decreased steadily. The ions in irrigation water had significantly different effects on leaf nutrient uptake. The Ca and Cl concentrations in irrigation water significantly influenced the Ca-related ionic exchange and C- and N-assimilation processes in sunflower leaves. The water content in the stem rose positively with irrigation salinity, whereas we observed little response in the leaves, fruits, and roots, although they were all mainly affected by the concentrations of Ca, Cl, Na, NO3, and SO4 in irrigation water. The biomass in leaves, stems, flower discs, and seeds all significantly reduced with irrigation salinity increase, and a loss of about 25% in stem biomass was detected. The concentrations of Na, Ca, Mg, K, Cl, and SO4 in irrigation water influenced the dry weight of different organs. The results presented here demonstrate that the ionic effects of irrigation water on plant physiologic processes are complex, which is concerning in terms of improving plant salt tolerance and managing saline water resources.

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“…Indigenous microorganisms in a given ecosystem are the principal participants and drivers of biogeochemical cycling of elements and are sensitive indicators of a given ecosystem change (Song et al, 2013). The direct microbiological risks associated with the use of drainage water in agricultural irrigation were mainly the disturbance of the indigenous microbial communities in soil ecosystems (Lopes et al, 2015). Nevertheless, our understanding of these aspects has much room for improving.…”

Section: Et Al (2005)mentioning

confidence: 99%