<i>Axonopus compressus</i> (Sw.) P. Beauv. A native grass species for phytoremediation of hydrocarbon‐contaminated soil in Assam, India

Bordoloi, Sabitry; Basumatary, Budhadev; Saikia, Rubul; Das, Himangshu

doi:10.1002/jctb.3765

Cited by 26 publications

(19 citation statements)

References 32 publications

(36 reference statements)

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“…After 14 days, the lawn is fertilized in order to speed up the grass growth. On day 30, the grass is removed and the length of the root length is Referring to previous studies, on day 30, the length of the roots of Cow Grass is 5cm [8]. The length of Cow Grass roots that planted in sandy loam soil in this previous study is similar to the growth of the grass on laterite soils.…”

Section: Observation On Cow Grass Growthsupporting

confidence: 65%

“…The length of the root measure and observe in 360 days. The growth of root at the end of this experiment of the previous study is 35cm [8].…”

Section: Observation On the Growth Of Cow Grassmentioning

confidence: 84%

“…Furthermore, after 30 days, the roots patterns of the Cow Grass (b) have extended compare with the roots pattern on the initial day (a). This helps the grass to the ground with a stronger grip [8].…”

Section: Observation On Cow Grass Growthmentioning

confidence: 99%

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Green and sustainable median on a divided multilane highway

Ambak

Bajuri

Yusoff

et al. 2017

IOP Conf. Ser.: Mater. Sci. Eng.

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Abstract. The road system in Malaysia showed good growth with increasing number of vehicles on the road. However, statistic of road accident is still at an alarming rate. There are many factor can contribute to the occurrence of an accident. If the accident was caused by road facilities such as street furniture, it is shown that the street furniture was failed to improve the safety of the road users. In this study, a new concept of materials for the construction of road dividers was purpose. The sustainable materials such as laterite soil, Cow Grass, tires and PVC pipes was used to replace the cement and iron guardrails in road divider construction. The main objectives of this study is to design characteristics of a road divider using natural material such as laterite soil, sand, grass and recycle material like used a tyre. A series of experiments such as test liquid limit, plastic limit test, standard proctor test and observations of root growth in 30 days were conducted. The result shows that the plastic index value of 35% was obtained. From the proctor compaction test, the optimum water content was 23% and maximum dry density at 15.3 kN/m 3 . This value was used to build a prototype of green and sustainable raised road median. The suitability of sand used as the medium in irrigation system was approved. Permeability of sand is 10 -2 mm/s to 10 mm/s which is having a high rate of flow. The growth of Cow Grass roots was increased by 4.9 cm in 30 days. This shows that, the grass is suitable to grow in laterite soil and can be used as vegetation material. Through the impact test conducted on a model with a scale of 1:7.5, indicate the initial damage occurred when a force reaches 10N. However, the condition of the model is still stable. From the impact test conducted, the prototype of green and sustainable raised road median has a good potential to be used as existing road divider as it can absorb the impact of an accident.

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Section: Observation On Cow Grass Growthsupporting

confidence: 65%

“…The length of the root measure and observe in 360 days. The growth of root at the end of this experiment of the previous study is 35cm [8].…”

Section: Observation On the Growth Of Cow Grassmentioning

confidence: 84%

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Green and sustainable median on a divided multilane highway

Ambak

Bajuri

Yusoff

et al. 2017

IOP Conf. Ser.: Mater. Sci. Eng.

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“…This finding agrees the previous works of Bordoloi et al . 21 who have reported about the efficiency of Axonopus compressus for removal of oil and grease from the crude oil-contaminated soil. Similarly, Basumatary et al .…”

Section: Discussionmentioning

confidence: 99%

Enzymatic defense of Cyperus brevifolius in hydrocarbons stress environment and changes in soil properties

Chakravarty

Deka

2021

Sci Rep

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Hydrocarbons or crude oil contamination of soil is still a burning problem around the globe. The herbs competent that are to survive in hydrocarbons contaminated habitats have some adaptive advantages to cope up with the adverse situations prevailing in that environment. In the present study, the adaptive response of Cyperus brevifolius in the heavily polluted soil with crude oil has been investigated in terms of survivability, changes in productivity, antioxidants, phytochemicals and functional group pro files of the plant species. Besides, changes in enzymes, beneficial bacterial population and physico-chemical conditions of contaminated soil were also studied during 60 days of experimental trials. The results showed significant enhancement in activities of soil dehydrogenase, urease, alkaline phosphatase, catalase, and amylase whereas reduction in cellulase, polyphenol oxidase and peroxidase activities. There was a significant increase in nitrogen fixing, phosphate and potassium solubilizing bacterial population, improvement in physico-chemical conditions and a decrease in total oil and grease (TOG) levels. Besides there was significant variations in the productivity parameters and antioxidant profiles of Cyperus brevifolius in hydrocarbons stress condition suggesting enzymatic defense of the herb. The fourier-transform infrared (FT-IR) analysis indicated uptake and metabolism of some hydrocarbon components by the experimental plant from the hydrocarbons polluted soil.

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“…Bordoloi et al [12] grew Axonopus compressus for 360 days in oil-contaminated soils and found that the addition of fertilizer enhanced both plant growth and remediation effects; the TPH level was reduced by 70% in fertilized soils compared to a 40% reduction in unfertilized-soils. Therefore, these results indicate that optimizing soil fertility by applying fertilizer also may enhance phytoremediation effects.…”

Section: Introductionmentioning

confidence: 99%

Phytoremediation of Oil-Contaminated Soils by Combining Flowering Plant Cultivation and Inoculation with <i>Acinetobacter junii</i> Strain M-2

Kai¹,

Okamoto²,

Murakami³

et al. 2020

JACEN

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Oil contamination of the soil by petroleum products has become an enormous environmental problem. In this study, we examined whether remediation of oil-contaminated soils by cultivating three flowering plants (Mimosa, Gazania, and Zinnia) could be enhanced by inoculation with Acinetobacter junii strain M-2 at different plant growth stages (at sowing, at early growth, and at mid-growth). The growth of Zinnia cultivated in oil-contaminated soils inoculated at sowing was significantly superior to that in the non-inoculated soil. Although total petroleum hydrocarbon concentrations in soils inoculated at sowing were nominally lower than those in non-inoculated soils, especially in the case of Zinnia planting, the effect did not reach statistical significance. However, dehydrogenase activity was significantly higher in the soils inoculated with A. junii strain M-2 than in non-inoculated soils for all three plant species tested. These results demonstrate that a combination of ornamental plant cultivation (particularly Zinnia) and inoculation with A. junii strain M-2 increases the efficiency of oil-contaminated soil phytoremediation.

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Axonopus compressus (Sw.) P. Beauv. A native grass species for phytoremediation of hydrocarbon‐contaminated soil in Assam, India

Cited by 26 publications

References 32 publications

Green and sustainable median on a divided multilane highway

Green and sustainable median on a divided multilane highway

Enzymatic defense of Cyperus brevifolius in hydrocarbons stress environment and changes in soil properties

Phytoremediation of Oil-Contaminated Soils by Combining Flowering Plant Cultivation and Inoculation with <i>Acinetobacter junii</i> Strain M-2

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Axonopus compressus (Sw.) P. Beauv. A native grass species for phytoremediation of hydrocarbon‐contaminated soil in Assam, India

Cited by 26 publications

References 32 publications

Green and sustainable median on a divided multilane highway

Green and sustainable median on a divided multilane highway

Enzymatic defense of Cyperus brevifolius in hydrocarbons stress environment and changes in soil properties

Phytoremediation of Oil-Contaminated Soils by Combining Flowering Plant Cultivation and Inoculation with &lt;i&gt;Acinetobacter junii&lt;/i&gt; Strain M-2

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Product

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Phytoremediation of Oil-Contaminated Soils by Combining Flowering Plant Cultivation and Inoculation with <i>Acinetobacter junii</i> Strain M-2