Effect of Biochar on Cadmium, Nickel and Lead Uptake and Translocation in Maize Irrigated With Heavy Metal Contaminated Water

Sayyadian, K; Moezzi, Abdolamir; Gholami, Ali; Panahpour, Ebrahim; Mohsenifar, Kamran

doi:10.15666/aeer/1701_969982

Cited by 19 publications

(5 citation statements)

References 30 publications

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“…The metals (Pb and (Cd) hampered seed germination toxicity even at low levels; similar results were found in seed germination characteristics studies [25]. Such suppression of seed germination could be due to the interference of metals with the essential enzymes for seed germination (amylase and protease).…”

Section: Seed Germinationsupporting

confidence: 73%

The effect of heavy metals (Cd, Cu, and Pb) on plant growth parameters and the phytoremediation capacity of corn

Tsegay,

Sukhenko

2024

АЭИ

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Heavy metal contamination is currently a major global environmental issue. Heavy metals contaminate the soils where crops and vegetables grow. Maize (Zea mays L.) is widely employed for phytoremediation because of its high biomass output and metal accumulation capacity. Depending on the plant and soil properties, some metals can be dangerous in high amounts. During our in vitro experiment, different levels of Cd, Cu, and Pb were introduced to a growth medium to allow maize plants to develop under diverse conditions. The study examined numerous growth features under certain metal stress conditions, including seed germination, plant height, biomass, and chlorophyll content, as well as the toxicity symptoms and mechanisms of the most common heavy metals. The study revealed that, while the maize plant is a good heavy metal accumulator, high heavy metal concentrations had a negative impact on several growth indicators: at 250 ppm, Cd inhibited captive seed germination by 50% and wild seed germination by 42.9%; Pb suppressed captive seed germination by 57% and wild seed germination by 42.9%; and Cu inhibited germination in both seed types by 40%. Similarly, plant height decreased in the following order: Pb (36.2%), Cd (24.8%), and Cu (9.7%) for the captive seed plant, and Pb (46.7%), Cd (28%), and Cu (13%) for the wild seed plant. Keywords: MAIZE, STRESS, TOXICITY, HEAVY METAL, POLLUTION, PHYTOREMEDIATION, BIOACCUMULATION

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Section: Seed Germinationsupporting

confidence: 73%

The effect of heavy metals (Cd, Cu, and Pb) on plant growth parameters and the phytoremediation capacity of corn

Tsegay,

Sukhenko

2024

АЭИ

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“…Similarly, Sayyadıan et al [101] reported that biochar application from different origins decreased the extractable Ni, Pb, and Cd contents of the soil and consequently decreased the Ni, Pb, and Cd contents of both root and root parts of maize [102]. They also reported that biochar application to the environment contaminated with Pb, Cd, and Cr caused a decrease in the Cd, Pb, and Cr contents of both the soil and the corn plant.…”

Section: Discussionmentioning

confidence: 92%

Effect of Biochar and PGPR on the Growth and Nutrients Content of Einkorn Wheat (Triticum monococcum L.) and Post-Harvest Soil Properties

et al. 2021

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Limited availability of nutrients to crops is a major agricultural concern. Deteriorated soil health and poor fertility status decrease the bioavailability of essential nutrients to the plants. Consequently, organic soil amendment biochar is gaining attention due to its potential benefits. Rhizobacterial inoculation, are also documented as an effective technology for mobilization of immobile nutrients in soil. However, limited literature is available on combined use of rhizobacteria and biochar. Therefore, this study was carried out to examine the changes in the nutrient content of einkorn wheat and the change in some soil properties during the application of plant growth-promoting rhizobacteria (PGPR) with biochar. Four doses of biochar (0, 2.5, 5, and 10%) were applied with and without PGPR in the study. Biochar increased the growth criteria such as plant fresh weight (PFW), plant dry weight (PDW), root fresh weight (RFW), root dry weight (RDW), number of tillers, germination rate (GR) and potassium (K), calcium (Ca), sodium (Na), iron (Fe), copper (Cu), zinc (Zn), manganese (Mn), and nickel (Ni) elements. While PGPR application increased soil pH, dry and fresh weight of root, R/S, K, Ca, Mg, Fe, and Ni contents, and it caused a decrease in PH, PFW, tillers, GR, P, Cu, and Zn values. Combined biochar applications and PGPR had a significant effect on the pH, RFW, R/S, P, Na, and Cu. In conclusion, the combination of biochar and PGPR applications has shown a positive effect in terms of soil properties, plant growth, and element contents of einkorn wheat.

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“…Cation exchange is another important mechanism that plays a role when removing Pb(II) from water using biochar [18,93]. Biochar properties consist of cations such as Na, K, Ca, Mg, etc.…”

Section: Ion Exchangementioning

confidence: 99%

A Review on Biochar as an Adsorbent for Pb(II) Removal from Water

Kumkum,

Kumar

2024

Biomass

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Heavy metal contamination in drinking water is a growing concern due to its severe health effects on humans. Among the many metals, lead (Pb), which is a toxic and harmful element, has the most widespread global distribution. Pb pollution is a major problem of water pollution in developing countries and nations. The most common sources of lead in drinking water are lead pipes, faucets, and plumbing fixtures. Adsorption is the most efficient method for metal removal, and activated carbon has been used widely in many applications as an effective adsorbent, but its high production costs have created the necessity for a low-cost alternative adsorbent. Biochar can be a cost-effective substitute for activated carbon in lead adsorption because of its porous structure, irregular surface, high surface-to-volume ratio, and presence of oxygenated functional groups. Extensive research has explored the remarkable potential of biochar in adsorbing Pb from water and wastewater through batch and column studies. Despite its efficacy in Pb removal, several challenges hinder the real application of biochar as an adsorbent. These challenges include variability in the adsorption capacity due to the diverse range of biomass feedstocks, production processes, pH dependence, potential desorption, or a leaching of Pb from the biochar back into the solution; the regeneration and reutilization of spent biochar; and a lack of studies on scalability issues for its application as an adsorbent. This manuscript aims to review the last ten years of research, highlighting the opportunities and engineering challenges associated with using biochar for Pb removal from water. Biochar production and activation methods, kinetics, adsorption isotherms, mechanisms, regeneration, and adsorption capacities with process conditions are discussed. The objective is to provide a comprehensive resource that can guide future researchers and practitioners in addressing engineering challenges.

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Effect of Biochar on Cadmium, Nickel and Lead Uptake and Translocation in Maize Irrigated With Heavy Metal Contaminated Water

Cited by 19 publications

References 30 publications

The effect of heavy metals (Cd, Cu, and Pb) on plant growth parameters and the phytoremediation capacity of corn

The effect of heavy metals (Cd, Cu, and Pb) on plant growth parameters and the phytoremediation capacity of corn

Effect of Biochar and PGPR on the Growth and Nutrients Content of Einkorn Wheat (Triticum monococcum L.) and Post-Harvest Soil Properties

A Review on Biochar as an Adsorbent for Pb(II) Removal from Water

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