Effects of natural zeolites on ryegrass growth and bioavailability of Cd, Ni, Pb, and Zn in an Albanian contaminated soil

Contin, Marco; Miho, Liri; Pellegrini, Elisa; Gjoka, Fran; Shkurta, Enkeleda

doi:10.1007/s11368-019-02359-7

Cited by 29 publications

(23 citation statements)

References 41 publications

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“…Physicochemical immobilization is a process in which toxic metals are transferred into a chemical form that is insoluble or not active in biological systems 7 . Various soil amendments, e.g., lime, phosphate, kaolinite, bentonite, steel slag, red mud, biochar and zeolites, have been recognized to be able to ameliorate contaminated soils by immobilizing toxic metals 8 , 9 .…”

Section: Introductionmentioning

confidence: 99%

Biological effects of biochar and zeolite used for remediation of soil contaminated with toxic heavy metals

Głąb

Gondek

Mierzwa–Hersztek

2021

Sci Rep

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Biochar and zeolite are widely used in the remediation of soil contaminated with toxic heavy metals. However, the interaction of these amendments and their effects on grass productivity have not been comprehensively summarized. The aim of this study was to investigate the biological effects of zeolite and biochar used as soil amendments in the process of remediating soil contaminated with Cd, Pb and Zn. In a pot experiment, the following treatments were applied: zeolite, biochars produced at temperatures of 350 °C and 550 °C, mixtures of biochars and zeolite, and a control treatment without any amendments. The soil amendments were tested on two grass species: tall fescue (Festuca arundinacea Schreb.) and cocksfoot (Dactylis glomerata L.). The root morphometric parameters and aboveground production were determined in 2017 and 2018.Higher biomass production was observed in the tested grasses in the treatments with zeolite alone (0.229 kg DM m−2) or mixed with the biochars (0.239 kg DM m−2) than in control treatment (0.029 kg DM m−2). Zeolite used in contaminated soil significantly affected root biomass and root morphology parameters. Zeolite application resulted in significantly higher root biomass (2.30 mg cm−3) and root length (76.61 cm cm−3) than those in the treatments without zeolite (0.29 mg cm−3 and 6.90 cm cm−3). Biochar as a soil amendment did not affect most root morphometric parameters. The application of biochars only slightly reduced the root diameter of cocksfoot. The root diameter of tall fescue was similar in all treatments (0.075 mm) except the control (0.063 mm) and biochar 550 treatments (0.067 mm), in which slightly thinner roots were observed.

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Section: Introductionmentioning

confidence: 99%

Biological effects of biochar and zeolite used for remediation of soil contaminated with toxic heavy metals

Głąb

Gondek

Mierzwa–Hersztek

2021

Sci Rep

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“…The positive action of the addition of natural zeolite on plant growth and toxic-metal (Cd, Ni, Pb, and Zn) availability in polluted soil was also analysed by Contin and co-workers [103]. The authors showed that the addition of zeolite to polluted soil significantly increased the biomass of the plant tissue due to the reduction of metal-toxicity stress, and to an improvement in plant nutrition.…”

Section: Natural Zeolites and Soil Pollutionmentioning

confidence: 99%

“…These are mainly represented by the long-term effects of zeolites on soil pH, or by the possibility to release large amounts of elements such as sodium because of the exchange process. In addition, polluting metal binding with zeolite is not well studied; thus, the persistence of toxic-metal immobilization is not completely clear [103,117]. The general stability of added zeolites in soils is still a matter of concern.…”

Section: Natural Zeolites and Soil Pollutionmentioning

confidence: 99%

“…The general stability of added zeolites in soils is still a matter of concern. Climatic and environmental conditions and mineral-type and size play an important role in zeolite persistence in soil [103]. In many cases, specific tests and long-term evaluation are required to determine this.…”

Section: Natural Zeolites and Soil Pollutionmentioning

confidence: 99%

“…In many cases, specific tests and long-term evaluation are required to determine this. Moreover, the contradictory results displayed by many literature data [113,[118][119][120] underline that there is wide variation in the cation exchange capacity of natural zeolites because of differing structural defects, nature cage structures, and the ability of ion-absorption [103].…”

Section: Natural Zeolites and Soil Pollutionmentioning

confidence: 99%

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Zeolite for Potential Toxic Metal Uptake from Contaminated Soil: A Brief Review

Belviso

2020

Processes

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Soil pollution is an increasingly urgent problem for the global environment. Soil can be contaminated with potential toxic metals from many anthropogenic activities, besides fossil fuel combustion and crude oil production, ranging from industry to mining and agriculture. Many technologies have been analysed to solve this type of environmental pollution and methods involving the use of minerals (e.g., clay minerals, zeolites, and natural silica adsorbents) are widely described in the literature. This article provides a summary of studies concerning the use of zeolites in soil remediation. A considerable number of these experiments were conducted using natural zeolites, while fewer concerned the utilization of synthetic zeolites. The mechanism controlling the successful application of these minerals was analysed through referring to global data published on this topic over the last few decades. This review also briefly discusses the limitations on zeolite applications and the drawbacks of the approaches analysed.

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Farm Machinery and Processes Management in Sustainable Agriculture

2023

Lecture Notes in Civil Engineering

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EU forestry does not currently have automatic planters, hence the project proposes to develop an innovative technology in which the key role will be played by an autonomous planter designed for establishing forest cultures and afforestation of former farmland and reclaimed areas with the use of seedlings with a covered root system (grown in container nurseries). The device will have a self-levelling traction system, a control system with a satellite navigation module to support autonomous navigation and planting site selection, a mechanism of planting spot preparation, a planting unit, an intelligent robotic arm to feed seedlings from containers to the planting unit according to a given algorithm, a container storage unit with an automated feeder, a drive unit with an electro-hydraulic control system, a control module, and a wireless remote control system. The autonomous planter will significantly reduce the cost and machine inputs during establishing forest cultures and afforestation of former farmland and reclaimed areas with the use of seedlings with a covered root system, and thus perfectly fits into the assumptions of agriculture 4.0.

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Effects of natural zeolites on ryegrass growth and bioavailability of Cd, Ni, Pb, and Zn in an Albanian contaminated soil

Cited by 29 publications

References 41 publications

Biological effects of biochar and zeolite used for remediation of soil contaminated with toxic heavy metals

Biological effects of biochar and zeolite used for remediation of soil contaminated with toxic heavy metals

Zeolite for Potential Toxic Metal Uptake from Contaminated Soil: A Brief Review

Farm Machinery and Processes Management in Sustainable Agriculture

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