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Biochar impact on physiological and biochemical attributes of spinach Spinacia oleracea (L.) in nickel contaminated soil

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Year: 2015
COI code: JR_GJESM-1-3_001
Paper Language: English

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Authors Biochar impact on physiological and biochemical attributes of spinach Spinacia oleracea (L.) in nickel contaminated soil

U. Younis - Institute of Pure and Applied Biology, Bahauddin Zakariya University, Multan, Pakistan
M Athar - California Department of Food and Agriculture, 3288 Meadowview Road, Sacramento, California, USA

Abstract:

Disastrous effect of nickel on spinach was discussed by number of authors but the effect of amendments like biochar with nickel on Spinacea oleracea L. is not still discussed by any author of the world because biochar was used as soil amendments which play a vital role in reducing mobilization and uptake of nickel by spinach plants. As nickel contaminated plants are very harmful for the consumption by living organisms. Nickel can be gathered in agronomic soils by anthropogenic actions such as Ni-Cd batteries. In this study, the growth, physiological, photosynthetic and biochemical responses of Spinacia oleracea grown in Ni-spiked soil (0, 25, 50 and 100 mg Ni/Kg soil) at three levels of cotton-sticks-derived biochar (0, 3 and 5 %) were evaluated. The results exposed significant decrease in growth, photosynthetic, physiological, and biochemical traits of S. oleracea when grown in Ni-polluted soil. However, this decrease was less pronounced in cotton-sticks-derived biochar amended soil. A steady rise in the MDA (0.66 μg/g to 2.08 μg /g), ascorbic acid (1.24 mg/g to 1.57 mg/g)and sugar concentrations (1.73 mg/g to 2.16 mg/g)was observed with increased concentration of Ni. The increasing percentages of cotton-sticks-derived biochar from 3 % to 5 % decreasedNi concentrations in root and shoot of experimental plant. Higher production of chlorophyll, amino acids and proteinwith cotton-sticks-derived biochar amendment looked like alleviation in Ni toxicity. Therefore, it is concluded that, Nitoxicity and availability to the plants can be reduced by cotton-sticks-derived biochar amendments.

Keywords:

Charcoal, cotton-sticks-derived biochar (CSB), Nickel toxicity, Pyrolysis, Spinacea oleracea

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Younis, U. & M Athar, 2015, Biochar impact on physiological and biochemical attributes of spinach Spinacia oleracea (L.) in nickel contaminated soil, Global Journal of Environmental Science and Management 1 (3), https://www.civilica.com/Paper-JR_GJESM-JR_GJESM-1-3_001.htmlInside the text, wherever referred to or an achievement of this article is mentioned, after mentioning the article, inside the parental, the following specifications are written.
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