Role of cotton sticks biochar in immobilization of nickel under induced toxicity condition and growth indices of Trigonella corniculata L

Among various heavy metals, nickel (Ni) is a potential pollutant that accumulates in broad-leaf vegetables and is reported to be carcinogenic. Biochar (BC) is a nutrient-rich and effective organic amendment for immobilization of Ni in soil. Fenugreek ( Trigonella corniculata L.), a broad-leaf vegeta...

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Veröffentlicht in:Environmental science and pollution research international 2020, Vol.27 (2), p.1752-1761
Hauptverfasser: Younis, Uzma, Danish, Subhan, Malik, Saeed Ahmad, Ahmed, Niaz, Munir, Tariq Muhammad, Rasheed, Muhammad Khalid
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container_title Environmental science and pollution research international
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creator Younis, Uzma
Danish, Subhan
Malik, Saeed Ahmad
Ahmed, Niaz
Munir, Tariq Muhammad
Rasheed, Muhammad Khalid
description Among various heavy metals, nickel (Ni) is a potential pollutant that accumulates in broad-leaf vegetables and is reported to be carcinogenic. Biochar (BC) is a nutrient-rich and effective organic amendment for immobilization of Ni in soil. Fenugreek ( Trigonella corniculata L.), a broad-leaf vegetable, is commonly cultivated due to its all-inclusive composition of nutrients such as calcium and iron and β-carotene and vitamins. Therefore, a field-pot study was conducted to examine the effectiveness of cotton-sticks-waste biochar (BC) for soil immobilization of Ni in fenugreek crop cultivated between early-October to end-November 2015. Fenugreek was grown in a sandy-loam soil experimentally contaminated with various Ni levels (0, 25, 50, and 100 mg Ni kg −1 soil) under three BC levels (0, 3, and 5%; w/w). Overall, results showed increasing plant lipid peroxidation (assessed via malondialdehyde) and ascorbic-acid concentration with increasing Ni toxicity level without BC application ( p  ≤ 0.05). Application of 3% BC increased the chlorophyll a (20.0%), chlorophyll b (49.1%), total chlorophyll (27.6%), carotenoids (21.6%), anthocyanin (27.2%), photosynthetic rate (112%), transpiration rate (45.0%), and sub-stomatal CO 2 concentration (19.9%) in fenugreek as compared to control (0% BC) under 50 mg Ni kg −1 soil. Higher BC application rate (5%) was more effective in increasing the chlorophyll a (33.6%), chlorophyll b (81.1%), total chlorophyll (43.9%), carotenoids (71.7%), anthocyanin (77.8%), photosynthetic rate (127%), transpiration rate (42.2%), and sub-stomatal CO 2 concentration (23.5) over control under 100 mg Ni kg −1 soil. We suggest that the consistent increases in dry mass, carbon flux rate and, protein, amino acids, and sugar contents of fenugreek (cultivated in a soil toxified with Ni and amended with 5% BC) seems to be caused by the reduction in the mobility of Ni in the presence of BC in a sandy-loam soil.
doi_str_mv 10.1007/s11356-019-06466-3
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Biochar (BC) is a nutrient-rich and effective organic amendment for immobilization of Ni in soil. Fenugreek ( Trigonella corniculata L.), a broad-leaf vegetable, is commonly cultivated due to its all-inclusive composition of nutrients such as calcium and iron and β-carotene and vitamins. Therefore, a field-pot study was conducted to examine the effectiveness of cotton-sticks-waste biochar (BC) for soil immobilization of Ni in fenugreek crop cultivated between early-October to end-November 2015. Fenugreek was grown in a sandy-loam soil experimentally contaminated with various Ni levels (0, 25, 50, and 100 mg Ni kg −1 soil) under three BC levels (0, 3, and 5%; w/w). Overall, results showed increasing plant lipid peroxidation (assessed via malondialdehyde) and ascorbic-acid concentration with increasing Ni toxicity level without BC application ( p  ≤ 0.05). Application of 3% BC increased the chlorophyll a (20.0%), chlorophyll b (49.1%), total chlorophyll (27.6%), carotenoids (21.6%), anthocyanin (27.2%), photosynthetic rate (112%), transpiration rate (45.0%), and sub-stomatal CO 2 concentration (19.9%) in fenugreek as compared to control (0% BC) under 50 mg Ni kg −1 soil. Higher BC application rate (5%) was more effective in increasing the chlorophyll a (33.6%), chlorophyll b (81.1%), total chlorophyll (43.9%), carotenoids (71.7%), anthocyanin (77.8%), photosynthetic rate (127%), transpiration rate (42.2%), and sub-stomatal CO 2 concentration (23.5) over control under 100 mg Ni kg −1 soil. 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Biochar (BC) is a nutrient-rich and effective organic amendment for immobilization of Ni in soil. Fenugreek ( Trigonella corniculata L.), a broad-leaf vegetable, is commonly cultivated due to its all-inclusive composition of nutrients such as calcium and iron and β-carotene and vitamins. Therefore, a field-pot study was conducted to examine the effectiveness of cotton-sticks-waste biochar (BC) for soil immobilization of Ni in fenugreek crop cultivated between early-October to end-November 2015. Fenugreek was grown in a sandy-loam soil experimentally contaminated with various Ni levels (0, 25, 50, and 100 mg Ni kg −1 soil) under three BC levels (0, 3, and 5%; w/w). Overall, results showed increasing plant lipid peroxidation (assessed via malondialdehyde) and ascorbic-acid concentration with increasing Ni toxicity level without BC application ( p  ≤ 0.05). Application of 3% BC increased the chlorophyll a (20.0%), chlorophyll b (49.1%), total chlorophyll (27.6%), carotenoids (21.6%), anthocyanin (27.2%), photosynthetic rate (112%), transpiration rate (45.0%), and sub-stomatal CO 2 concentration (19.9%) in fenugreek as compared to control (0% BC) under 50 mg Ni kg −1 soil. Higher BC application rate (5%) was more effective in increasing the chlorophyll a (33.6%), chlorophyll b (81.1%), total chlorophyll (43.9%), carotenoids (71.7%), anthocyanin (77.8%), photosynthetic rate (127%), transpiration rate (42.2%), and sub-stomatal CO 2 concentration (23.5) over control under 100 mg Ni kg −1 soil. We suggest that the consistent increases in dry mass, carbon flux rate and, protein, amino acids, and sugar contents of fenugreek (cultivated in a soil toxified with Ni and amended with 5% BC) seems to be caused by the reduction in the mobility of Ni in the presence of BC in a sandy-loam soil.</abstract><cop>Berlin/Heidelberg</cop><pub>Springer Berlin Heidelberg</pub><pmid>31758478</pmid><doi>10.1007/s11356-019-06466-3</doi><tpages>10</tpages></addata></record>
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identifier ISSN: 0944-1344
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1614-7499
language eng
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source MEDLINE; SpringerNature Journals
subjects Amino acids
Aquatic Pollution
Atmospheric Protection/Air Quality Control/Air Pollution
Biological Availability
Calcium
Carbon dioxide
Carcinogens
Carotene
Carotenoids
Charcoal
Chlorophyll
Chlorophyll - analysis
Cotton
Cultivation
Earth and Environmental Science
Ecotoxicology
Environment
Environmental Chemistry
Environmental Health
Environmental science
Fenugreek
Heavy metals
Immobilization
Leaves
Levels
Lipid Peroxidation
Lipids
Loam
Loam soils
Malondialdehyde
Nickel
Nickel - analysis
Nickel - toxicity
Nutrients
Peroxidation
Photosynthesis
Pollutants
Research Article
Sandy soils
Soil contamination
Soil Pollutants - analysis
Soil Pollutants - toxicity
Soil pollution
Soils
Stomata
Toxicity
Transpiration
Trigonella - drug effects
Trigonella corniculata
Trigonella foenum-graecum
Vegetables
Vitamins
Waste Water Technology
Water Management
Water Pollution Control
β-Carotene
title Role of cotton sticks biochar in immobilization of nickel under induced toxicity condition and growth indices of Trigonella corniculata L
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