2022
DOI: 10.1088/1755-1315/1034/1/012045
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The biochar-improved growth-characteristics of corn (Zea mays L.) in a 22-years old heavy-metal contaminated tropical soil

Abstract: Biochar was suggested to lower the concentrations of heavy metals in contaminated soils and therefore may improve plant growth. This research was to evaluate the growth of corn (Zea mays L.) in a biochar-amended heavy-metal-contaminated tropical soil. Soil samples were collected from well-maintained experimental plots 22 years after amendment with heavy-metal containing industrial waste at 0 – 60 Mg ha-1. Corn plants were grown for 4 weeks in the soil samples amended with biochar at 0 – 10 Mg ha-1. The corn pl… Show more

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Cited by 6 publications
(3 citation statements)
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“…The bonding of phosphate and cadmium ions can effectively clean the soil from the dangers of heavy metal Cd. Salam et al (2022) also added that by applying biochar, not only will heavy metal content in the soil be reduced, but plant growth on heavy metal-polluted land can gradually increase.…”
Section: Discussionmentioning
confidence: 99%
“…The bonding of phosphate and cadmium ions can effectively clean the soil from the dangers of heavy metal Cd. Salam et al (2022) also added that by applying biochar, not only will heavy metal content in the soil be reduced, but plant growth on heavy metal-polluted land can gradually increase.…”
Section: Discussionmentioning
confidence: 99%
“…However, their research fields are mostly concentrated in mining areas (Yan et al, 2022;Cai et al, 2015), sewage irrigation areas (Wang et al, 2017;Zeng et al, 2015), and waste treatment plants (Liu et al, 2021;Li et al, 2015) and other places. The research objects focus on dust reduction (Luo et al, 2022;Mehr et al, 2016), corn (Salam et al, 2022;Yu et al, 2017), Vegetables (Jalali & Meyari, 2022;Chang et al, 2014), drinking water (Giri & Singh, 2015;Pan et al, 2022), rice (Zhang et al, 2022;Lu et al, 2022), and so on. These studies have conducted in-depth research on the accumulation characteristics, physical and chemical properties, occurrence forms of heavy metals, and the physiological and biochemical effects of polluted bodies after pollution, laying a foundation for further research on the accumulation of heavy metals in crops and their effects on human health.…”
Section: Introductionmentioning
confidence: 99%
“…These various forms of heavy metals are related in an equilibrium system controlled by various soil chemical processes that include complexation-decomplexation, chelation-dechelation, adsorption-desorption, precipitation-dissolution, and also oxidation-reduction in soils affected by water saturation (Abdu & Mohammed, 2016;El-Maghrabi & Mikhail, 2014;He et al, 2020;Salam et al, 2022;Salam, 2017;Salam & Sriyani, 2019;Ugwu et al, 2020;Xiao et al, 2017;Zhang et al, 2021). The disturbance on any part of the system may change the size of each form and the affecting chemical reaction.…”
Section: Introductionmentioning
confidence: 99%