Soybean as affected by high concentrations of arsenic and fluoride in irrigation water in controlled conditions

Bustingorri, Carolina; Lavado, Raúl S.

doi:10.1016/j.agwat.2014.06.004

Cited by 44 publications

(23 citation statements)

References 33 publications

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“…At present, soybeans are grown in prime soils and also in marginal lands, where the occurrence of some As-contaminated soils has been documented for many years [16]. Bustingorri et al [13] found a negative correlation between soybean yields and soil As concentration, in agreement with similar studies in rice, wheat, and barley [7,17].…”

Section: Introductionsupporting

confidence: 78%

“…Bioavailable As in the substrate increased as As was added ( Figure 6). The comparison between the As added and the bioavailable As indicates that soil components (like aluminum, iron and manganese oxides, clays, carbonates, and organic matter) adsorb significant quantities of As, as previously determined [13]. Figure 6.…”

Section: Resultsmentioning

confidence: 86%

“…The concentration of As would be in the range of significant effects on soybean plants, according to Bustingorri et al [14]. To resemble natural contaminated soils [13,18], the interaction between the soluble As applied and the substrate matrix was forced by wetting/drying weekly cycles carried out for 60 days. We used 1000 cm 3 pots, containing the above-described substrate and maintained constantly between 70%-90% of field capacity, avoiding losses of solution via drainage.…”

Section: Methodsmentioning

confidence: 99%

“…Irrigation water rich in As also affects crops. Some authors (cited by Heikens et al [19]) found that an As concentration of 0.2 mg L −1 in water causes negative effects on rice, whereas water with 0.6 mg As L −1 affected soybeans [13]. Arbuscular mycorrhizal (AM) fungi are biotrophic fungi located in the soil rhizosphere and the most common soil microorganisms that can establish mutual symbioses with higher plants.…”

Section: Introductionmentioning

confidence: 99%

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The Arbuscular Mycorrhiza Rhizophagus intraradices Reduces the Negative Effects of Arsenic on Soybean Plants

Spagnoletti

Lavado

2015

Agronomy

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Arsenic (As) in soils causes several detrimental effects, including death. Arsenic toxicity in soybean plants (Glycine max L.) has been little studied. Arbuscular mycorrhiza (AM) increase the tolerance of host plants to abiotic stress, like As. We investigated the effects of AM fungi on soybean grown in As-contaminated soils. A pot experiment was carried out in a glasshouse, at random with five replications. We applied three levels of As (0, 25, and 50 mg As kg −1 ), inoculated and non-inoculated with the AM fungus Rhizophagus intraradices (N.C. Schenck & G.S. Sm.) C. Walker & A. Schüßler. Plant parameters and mycorrhizal colonization were measured. Arsenic in the substrate, roots, and leaves was quantified. Arsenic negatively affected the AM percentage of spore germination and hyphal length. As also affected soybean plants negatively: an extreme treatment caused a reduction of more than 77.47% in aerial biomass, 68.19% in plant height, 78.35% in number of leaves, and 44.96% reduction in root length, and delayed the phenological evolution. Mycorrhizal inoculation improved all of these parameters, and decreased plant As accumulation (from 7.8 mg As kg ). AM inoculation showed potential to reduce As toxicity in contaminated areas. The AM fungi decreased As concentration in plants following different ways: dilution effect, less As intake by roots, and improving soybean tolerance to As.

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Section: Introductionsupporting

confidence: 78%

Section: Resultsmentioning

confidence: 86%

Section: Methodsmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

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The Arbuscular Mycorrhiza Rhizophagus intraradices Reduces the Negative Effects of Arsenic on Soybean Plants

Spagnoletti

Lavado

2015

Agronomy

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“…Be, although having different effects on crops depending on the crop type, can be consumed by humans as a carcinogen through root crop, tuber crop, and forage crop [72]. F can damage the crops by accumulating in the leaf and fruit [73]. Fe, while not harmful for crops in aerated soil, can cause immense damage by decreasing the vital P in irrigated paddy of acid soil [74,75].…”

Section: Trace Elementsmentioning

confidence: 99%

Irrigation Water Quality Standards for Indirect Wastewater Reuse in Agriculture: A Contribution toward Sustainable Wastewater Reuse in South Korea

Jeong

Kim

Jang

2016

Water

161

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Climate change and the subsequent change in agricultural conditions increase the vulnerability of agricultural water use. Wastewater reuse is a common practice around the globe and is considered as an alternative water resource in a changing agricultural environment. Due to rapid urbanization, indirect wastewater reuse, which is the type of agricultural wastewater reuse that is predominantly practiced, will increase, and this can cause issues of unplanned reuse. Therefore, water quality standards are needed for the safe and sustainable practice of indirect wastewater reuse in agriculture. In this study, irrigation water quality criteria for wastewater reuse were discussed, and the standards and guidelines of various countries and organizations were reviewed to suggest preliminary standards for indirect wastewater reuse in South Korea. The proposed standards adopted a probabilistic consideration of practicality and classified the use of irrigation water into two categories: upland and rice paddy. The standards suggest guidelines for E. coli, electric conductivity (EC), turbidity, suspended solids (SS), biochemical oxygen demand (BOD), pH, odor, and trace elements. Through proposing the standards, this study attempts to combine features of both the conservative and liberal approaches, which in turn could suggest a new and sustainable practice of agricultural wastewater reuse.

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Fluoride uptake and translocation in food crops grown in fluoride‐rich soils

et al. 2020

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BACKGROUND: The East African Rift Valley (EARV) area is characterized by an intense volcanic activity, which largely influences the nature of soils, ground and surface waters causing a transfer of fluoride from volcanic emissions to the environment. Field experiments were conducted in fluorine-contaminated areas of Ngarenanyuki (Arumeru district) in north Tanzania. In order to evaluate the potential fluoride exposure from diet and the related health risk for the local population, the content of fluoride in soil and plant tissues was assessed, focusing on the edible portions (leaves, fruits or seeds) of the main cultivated and consumed food crops in the area. RESULTS: Average fluoride contents of 8.0, 11.4, 11.3 and 14.2 mg kg −1 of dry matter were observed respectively for maize (Zea mays L.), tomato (Lycopersicon esculentum Mill.), bean (Phaseolus vulgaris L.) and kale (Brassica sp. pl.) edible parts. The cumulative estimated average daily dose (EADD) ranged from 0.026 to 0.165 mg F d −1 kg −1 among different rural population groups and considering two different hypotheses of absorption fraction (75% or 100%), i.e. the amount of fluoride that is absorbed during the digestion process. The associated hazard index (HI) values varied from 0.43 to 2.75. CONCLUSIONS: Considering the dietary habits of the local population, the outcomes of the present study suggest that the investigated crops can substantially contribute to fluoride related diseases, especially in earlier ages.

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Soybean as affected by high concentrations of arsenic and fluoride in irrigation water in controlled conditions

Cited by 44 publications

References 33 publications

The Arbuscular Mycorrhiza Rhizophagus intraradices Reduces the Negative Effects of Arsenic on Soybean Plants

The Arbuscular Mycorrhiza Rhizophagus intraradices Reduces the Negative Effects of Arsenic on Soybean Plants

Irrigation Water Quality Standards for Indirect Wastewater Reuse in Agriculture: A Contribution toward Sustainable Wastewater Reuse in South Korea

Fluoride uptake and translocation in food crops grown in fluoride‐rich soils

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