plants growing at the tailings of mining sites

The Effects of Agronomic Herbaceous Plants on the Soil

2022年1月3日  In Canada, lowgrade ore mines generate large amounts of mineral waste, such as mine tailings To control erosion of the finegrained tailings particles as quickly as possible, it is common practice for the mining industry to revegetate the mine tailings with agronomic herbaceous plants However, it is unclear whether this practice is

Role of microorganisms in rehabilitation of mining sites,

2019年10月1日  Microorganisms have the capacity to promote plant growth on tailings and polluted mined soils or to immobilize pollutants inside soils Around 80% of plants growing on mining sites could be colonized by arbuscular mycorrhizal fungi (Wang, 2017) Many mycorrhizal fungi are metal tolerant, and have the potential to influence metals and

Coal tailings as a soil conditioner: evaluation of tailing

2022年7月21日  Longterm effect of coal tailings from the two mining sites on the biomass of tomato plant The data are mean values ± SE (n = 5) of A fresh weight, B dry weight and C water content of tomato plants after 12 weeks of treatment Different lowercase letters indicate significant differences at P < 005

Phytoremediation assessment of native plants growing on Pb–Zn mine site

2017年8月23日  Pollution by heavy metals presents an environmental concern, and their toxicity threats soil, water, animals and human health Phytoremediation can be used as a solution to remediate contaminated soils The aim of this study was to identify native plants collected from tailings: material of Pb–Zn mine sites of Fedj Lahdoum and Jebel Ressas

Assessment of Vegetation Establishment on Tailings Dam at

2013年6月28日  Stripmining operations greatly disturb soil, vegetation and landscape elements, causing many ecological and environmental problems Establishment of vegetation is a critical step in achieving the goal of ecosystem restoration in mining areas At the Shouyun Iron Ore Mine in suburban Beijing, China, we investigated selective

Rhizosphere Management for Phytoremediation of Copper Mine Tailings

2021年8月30日  Copper (Cu) is essential for plant growth, but due to increased pollution in the last decades, Cu contamination has become a serious environmental concern Different techniques have been carried out for the remediation of the negative effects of Cu excess, being the phytoremediation a sustainable strategy In this scenario, the arbuscular

Phytostabilization of mine tailings Request PDF

2021年1月1日  [Show full abstract] growthpromoting bacteria (PGPB) to enhance the revegetation of mine tailings and minimize the need for compost amendment Twenty promising PGPB isolates were used as seed

Phytostabilization of mine tailings ScienceDirect

2021年1月1日  Furthermore, the revegetation in mine tailings enhances the associated heterotrophic microbial consortia, which may, in turn, promote plant growth and are of critical importance to the ecological functioning of an ecosystem (Glick, 2003; Mendez et al, 2007; Mummey et al, 2002; Huang et al, 2012) Phytostabilization as a rehabilitating boon

Heavy metal assimilation in maize (Zea mays L) plants

2020年7月29日  to assess the health risk of crops cultivated in mining impacted zones Methods Soil sampling Soil was sampled in the mining zone of Zimapa´n, Hidalgo, in a maize field westnorthwest of a tailings impoundmentnamedSanMiguelViejoSampleswere taken in two sites at 20 m (Site 1) and at 30 m (Site 2) from the tailings at 20 435730N

Plant Community Diversity at Two Reclaimed Mine Tailing

2021年11月5日  Mining activities generate residues during the ore concentration process These wastes are placed into large tailing storage facilities, and upon mine closure, these tailings must be reclaimed This study aimed to determine how different reclamation methods, involving combinations of planted boreal woody species and organic

Evaluation of phytoremediation potential of native dominant plants

2021年9月1日  1 Introduction Mining provides a lot of material and energy for human society (Omer, 2008, Zhu et al, 2018)However, large area of soil have been contaminated with heavy metals because of the mine tailings or discharged wastewater, especially in China (Liu et al, 2020a, Liu et al, 2020b, Cui et al, 2020, Li et al, 2014)Heavy metal

Accumulation and phytostabilization of As, Pb and Cd in plants growing

2017年11月29日  Mining has been the sole basis of the wealth of some nations, but also has left a legacy of disturbed sites, where it has been one of the main causes of environmental pollution (Batty and Younger 2004; Batty 2005)This activity has been performed for centuries in the desert regions (Grattan et al 2004)Mine tailings disposal

Bioaccumulation of heavy metals and As in maize (Zea

2022年3月22日  from a mine site, both substrate and plants grown in it contain high levels of heavy metals and As that affect significantly plant growth and yield Materials and methods Sampling location Sampling was carried out in the mining zone of Taxco, northern Guerrero State, Mexico Located between 18° 21’ and 18° 41’ N and 99° 25’ and 99

Feasibility of reprocessing mine tailings to obtain critical

2021年4月15日  1 Introduction Mine tailings are waste obtained after the processing of some minerals to acquire one or more elements of interest They are composed of a mixture of heavy metals, water, sand, and finegrained solid material, and generally are deposited in ponds without further treatment (Babel et al, 2016; Santibañez et al, 2012; L Wang et

Extremely Elevated Total Mercury and Methylmercury in Forage Plants

2021年3月19日  Ninetyfive wild forage plants (belonging to 22 species of 18 families) and their corresponding rhizosphere soil samples were collected from wastelands of a largescale abandoned Hg mining region for total Hg (THg) and methylmercury (MeHg) analysis The forage plant communities on the wastelands were dominated by the Asteraceae,

Heavy metal accumulation and phytostabilization

2017年8月23日  in a remediation strategy for metalliferous mine tailings A field survey of terrestrial higher plants growing on Mn mine tailings at Huayuan, Hunan Province, China was conducted to identify candidate species for application in phytostabilization of the tailings in this region In total, 51 species belonging to 21 families were recorded and the 12

Phytostabilization of acidic mine tailings with biochar,

2021年9月1日  The results observed by Phillips et al (2016) and Novak et al (2018) suggest that mine tailings respond differently to biochars with dissimilar physiochemical properties and that choosing an appropriate biochar is critical to improving plant growth in mine tailings Taken together, the results of these earlier studies suggest that lime could

Heavy metal assimilation in maize (Zea mays L) plants growing

2019年10月3日  Mining is one of the main economic activities in Mexico, and Hidalgo State is one of the main areas; however, this activity produces wastes, such as mine tailings, that are disposed in deposits and may be dispersed on the soils (eg, agricultural soils) In this study, the concentrations of As and heavy metals in maize plants cultivated in a

Plant GrowthPromoting Bacteria for Phytostabilization of Mine Tailings

2008年4月1日  PGPR isolated from the rhizosphere of metallophytes growing on mining areas, as well as their inherent resistance to metals, may also possess exceptional plant growthpromoting (PGP) traits

Phytostabilization of acidic mine tailings with biochar,

2021年9月1日  The above and belowground biomass of plants grown in mine tailings amended with LBB was 3 to 4 times larger than the biomass of plants grown in tailings amended only with lime Although the LSM addition did not influence immediate plant growth, it did affect nutrient content and altered the rhizosphere community composition