S-Fertilizer (Elemental Sulfur) Improves the Phytoextraction of Cadmium through Solanum nigrum L

Aishah Alatawi, Xiukang Wang, Arosha Maqbool, Muhammad Hamzah Saleem, Kamal Usman, Muhammad Rizwan, Tahira Yasmeen, Muhammad Saleem Arif, Shamaila Noreen, Afzal Hussain and Shafaqat Ali
Additional contact information
Aishah Alatawi: Biology Department, Faculty of Science, University of Tabuk, Tabuk 71421, Saudi Arabia
Xiukang Wang: College of Life Sciences, Yan’an University, Yan’an 716000, China
Arosha Maqbool: Department of Environmental Sciences and Engineering, Government College University, Faisalabad 38000, Pakistan
Muhammad Hamzah Saleem: College of Plant Science and Technology, Huazhong Agricultural University, Wuhan 430070, China
Kamal Usman: Agricultural Research Station, Office of VP for Research & Graduate Studies, Qatar University, Doha 2713, Qatar
Muhammad Rizwan: Department of Environmental Sciences and Engineering, Government College University, Faisalabad 38000, Pakistan
Tahira Yasmeen: Department of Environmental Sciences and Engineering, Government College University, Faisalabad 38000, Pakistan
Muhammad Saleem Arif: Department of Environmental Sciences and Engineering, Government College University, Faisalabad 38000, Pakistan
Shamaila Noreen: Department of Environmental Sciences and Engineering, Government College University, Faisalabad 38000, Pakistan
Afzal Hussain: Department of Environmental Sciences and Engineering, Government College University, Faisalabad 38000, Pakistan
Shafaqat Ali: Department of Environmental Sciences and Engineering, Government College University, Faisalabad 38000, Pakistan

IJERPH, 2022, vol. 19, issue 3, 1-19

Abstract: Soil contamination with toxic heavy metals [such as cadmium (Cd)] is becoming a serious global problem due to the rapid development of the social economy. This study was carried out to assess the beneficial role of two different kinds of (S)-fertilizer in the phytoremediation of Cd contaminated soil through Solanum nigrum L. Gypsum (Gyp) and Elemental sulfur (ES) was applied alone and in combination with different ratios (0, 100:0, 0:100, 50:50 mg kg −1 ) accompanied by different Cd levels (0, 25, 50 mg kg −1 ). After seventy days of sowing, plants were harvested for determination of growth, physiological characteristics, oxidants and antioxidants, along with Cd uptake from different parts of the plant. Cd toxicity significantly inhibited growth, physiology and plant defence systems, and also increased Cd uptake in the roots and shoots of Solanum nigrum L. The application of Gyp 100 mg kg −1 boosted plant growth and physiology along with oxidants and antioxidants activity as compared to ES 100 mg kg −1 alone, and combine application of GYP+ES 50 + 50 mg kg −1 . The application of ES 100 mg kg −1 showed an effective approach to decreasing Cd uptake as compared to Gyp 100 mg kg −1 . Overall results showed that the combined application of GYP+ES 50 + 50 mg kg −1 significantly enhanced the phytoremediation potential of S. nigrum in Cd contaminated soil. Thus, it is highly recommended to apply the combined application of GYP+ES for phytoremediation of Cd contaminated soil.

Keywords: medicinal plant; element; gypsum; heavy metal; phytoremediation (search for similar items in EconPapers)
JEL-codes: I I1 I3 Q Q5 (search for similar items in EconPapers)
Date: 2022
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