Novel Fuller Earth, Rock Phosphate, and Biochar for Phytomanagement of Toxic Metals in Polluted Soils

Daniyal Sher Bahadur, Samreen Riaz Ahmed, Altaf Hussain Lahori, Tanveer Hussain, Sofia Khalique Alvi, Sheraz Shafique, Sadia Fatima, Viola Vambol, Monika Mierzwa-Hersztek (), Preeta Hinduja, Sergij Vambol and Zengqiang Zhang
Additional contact information
Daniyal Sher Bahadur: Department of Environmental Sciences, Sindh Madressatul Islam University, Karachi 74000, Pakistan
Samreen Riaz Ahmed: Department of English, Sindh Madressatul Islam University, Karachi 74000, Pakistan
Altaf Hussain Lahori: Department of Environmental Sciences, Sindh Madressatul Islam University, Karachi 74000, Pakistan
Tanveer Hussain: Department of Environmental Sciences, Sindh Madressatul Islam University, Karachi 74000, Pakistan
Sofia Khalique Alvi: Applied Chemistry Research Center, PCSIR Laboratories Complex Karachi, Karachi 75280, Pakistan
Sheraz Shafique: Applied Chemistry Research Center, PCSIR Laboratories Complex Karachi, Karachi 75280, Pakistan
Sadia Fatima: Applied Chemistry Research Center, PCSIR Laboratories Complex Karachi, Karachi 75280, Pakistan
Viola Vambol: Department of Environmental Engineering and Geodesy, University of Life Sciences in Lublin, 20-950 Lublin, Poland
Monika Mierzwa-Hersztek: Department of Agricultural and Environmental Chemistry, University of Agriculture in Krakow, al. Mickiewicza 21, 31-120 Krakow, Poland
Preeta Hinduja: Education Department, Iqra University, Karachi 75300, Pakistan
Sergij Vambol: Department of Life Safety, State Biotechnological University, 61002 Kharkiv, Ukraine
Zengqiang Zhang: College of Natural Resources and Environment, Northwest A&F University, Xianyang 712100, China

Agriculture, 2022, vol. 12, issue 8, 1-18

Abstract: The present study was aimed to assess the efficacy of individual and combined effects of novel fuller earth, rock phosphate, and biochar (grapefruit peel) at 1% dosage on maize plant growth, soil chemical properties anduptake of toxic metals (TMs), such as Cu, Zn, Fe, and Cd, by maize plant sown in Korangi (district of Karachi, Pakistan) heavily polluted and Korangi less polluted (K-HP and K-LP) soils. The obtained results indicate that the dry biomass of maize crop increased by 14.13% with combined (FE1% + GBC1%) on K-HP soil and 18.24% with combined (FE 1% + GBC 1%) effects on K-LP soil. The maximum immobilization of Cu, Zn, Fe, and Cd was observed by 36% with GBC1%, 11.90% with FE1%, 98.97% with combined RP1% + GBC1%, 51.9% with FE1% + GBC1% for K-HP, 11.90% with FE1%, 28.6% with FE1%, 22.22% with RP1% + GBC1%, and 57.05% with FE 1% + GBC 1% for K-LP soil. After the addition of proposed substances, modification of soil OM, SOC, TOC, and pH level appeared this lead to the changes in the phyto-availability of Cu, Zn, Fe, and Cd in maize plant. It was concluded that the application of individual and combined effects of novel fuller earth, rock phosphate, and biochar (grapefruit peel) have potential to stabilize pollutants from multi-metal polluted soils for safe crop production.

Keywords: novel fuller earth; rock phosphate; biochar; immobilization; toxic metals; maize (search for similar items in EconPapers)
JEL-codes: Q1 Q10 Q11 Q12 Q13 Q14 Q15 Q16 Q17 Q18 (search for similar items in EconPapers)
Date: 2022
References: View complete reference list from CitEc
Citations: View citations in EconPapers (1)

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