Qian'an tailings planting crops

Effects of constructing farmland with large amounts of iron

2022年11月23日  The use of iron tailings to improve barren soil and construct farmland prevents the problem of passive tailings pond reclamation due to the notable accumulation of mineral processing tailings2023年9月1日  By placing new soil on top and planting crops, the issue of land occupation caused by abandoned tailings ponds can be effectively resolved while avoiding the negative Reclaiming abandoned mine tailings ponds for agricultural use At present, there are more than 80 tailings reservoirs in Tangshan area, which are distributed in Qianxi, Qian'an, Zunhua and other areas According to the characteristics of tailings inComprehensive Utilization Analysis of Tailings ResearchGate2024年2月14日  Ecological engineering of tailings has been advocated to change tailings’ mineralogy, improve physicochemical properties, and accelerate soil formation (ie pedogenic Ecological rehabilitation of mine tailings Plant and Soil

Effects of constructing farmland with large amounts of iron

2022年11月23日  In general, the application of an iron tailings layer below topsoil to construct farmland is a feasible and environmentally friendly way to realize sustainable farmland 2019年1月16日  This study investigated the impact of biochar (BC), biosolids (BS), humic substances (HS), and mycorrhizal fungi (MF) for improving mine tailings fertility and hydraulic Amendmentassisted revegetation of mine tailings: improvement 2022年3月31日  The objectives were to (1) identify the optimal planting structure and its effect on water use, water savings, and groundwater consumption under the conditions of natural Balancing water and food by optimizing the planting structure in 2018年9月28日  Spatial analysis showed that 638% of China’s counties adjusted their cropping structure, with the general change toward reducing the main food types and increasing fruits Spatiotemporal changes of cropping structure in China during

Developments and prospects of multiple cropping in China

2024年4月1日  Multiple cropping stands as a crucial agricultural production model in China, encompassing approximately 50% of the total cultivated land It represents about 67 % of the 2019年7月9日  This paper aims to uncover the evolutionary pattern of the ancient Chinese agricultural technology system that focused on land and water mobilisations from 8000 BC to The development of ancient Chinese agricultural and water Chuntao QIAN Cited by 866 of Wild species related to domesticated crops and defense A previous study identified a gene, Csa6G , encoding a plant lipid transfer protein (LTP), as Chuntao QIAN Nanjing Agricultural University, Nanjing NAUonly agricultural grade lands to grow energy crops To reclaim these tailings to support energy crop growth, nutrients and organic materials are needed Pulp and paper mill byproducts have been used for amending agricultural soils and producing crops including corn (O’Brien et al 2003; Camberato et al 2006)Suitability of an organic residual cover on tailings for bioenergy crop

Effects of constructing farmland with large amounts of iron tailings

2022年11月23日  Study area The experimental site is located in a newly reclaimed farmland area in Xincheng village (41°45′ N, 119°37′ E), Xiaotang town, Jianping County, Chaoyang city, Liaoning Province, northern China (Fig 1), which is an area rich in iron ore resourcesMining waste materials, such as iron tailings and waste rock materials, occupy large amounts of landTo estimate net crop income, farmers were asked in detail about their agriculture management practices, input and output costs These include crop types, growing seasons of different crops, transportation and miscellaneous cost, cost and amount of inputs such as labor, irrigation, seeds, pesticide, fertilizer etc 222 Secondary dataClimate change and crop farming in Bangladesh: an Emerald 2024年9月5日  Study area and data collection The study area was the habitat of D damavandica, located in the eastern parts of Damavand City, Tehran Province, Iran (33° 54′ 56" N, 46° 04′ 30" E)D Soil heavy metals contamination and health risk of an endemic plant 2024年2月14日  Ecological engineering of tailings has been advocated to change tailings’ mineralogy, improve physicochemical properties, and accelerate soil formation (ie pedogenic processes), allowing the recolonisation of microbial communities and pioneer plant species (Huang et al 2012)These early settlers, in turn, act as powerful biological drivers to advance Ecological rehabilitation of mine tailings Plant and Soil

Economic impact of climate change on crop farming in Bangladesh

2019年10月1日  Climate change has been predicted to significantly and negatively affect crop productivity and efficiency of crop production in low income countries (Arshad et al, 2017; Reed et al, 2017; Arshad et al, 2018)Climatic extremes such as floods and droughts also damage crop farming causing a decline in the overall farm outcomes (Troy et al, 2015; Mendelsohn 2012年1月1日  However, the potential for transforming tailings and brownfields into productive agricultural land may provide a partial solution to the food versus fuel debate by minimizing the need to use only agricultural grade lands to grow energy crops To reclaim these tailings to support energy crop growth, nutrients and organic materials are neededSuitability of an organic residual cover on tailings for bioenergy crop made into "micro fertilizer" to promote the growth of cropsAt the same time,some tailings The tailings in a tailings pond in Qian'an city were selected as the experimental object to prehensive Utilization Analysis of Tailings ResearchGate2022年11月23日  Effects of constructing farmland with large amounts of iron tailings as soil reconstruction materials on soil properties and crop growth November 2022 Scientific Reports 12(1)Effects of constructing farmland with large amounts of iron tailings

Influence of conditioner and straw on the herbaceous plantbased

2024年3月11日  A field trial was performed to carry out an enhanced phytoremediation technique for multimetal contaminated copper tailings by Sudan grass (Sorghum Sudanese), ryegrass (Lolium perenne L), and Bermuda grass (Cynodon dactylon), using conditioner (THLZ01) and straw combination into composite amendments as soil amendments, aimed to obtain the 2019年1月16日  This study investigated the impact of biochar (BC), biosolids (BS), humic substances (HS), and mycorrhizal fungi (MF) for improving mine tailings fertility and hydraulic properties, supporting Amendmentassisted revegetation of mine tailings: 2017年2月1日  Paenibacillus polymyxa P2b2R is an endophytic diazotroph originally isolated from lodgepole pine It is reported to fix significant amounts of nitrogen (N) and promote plant growth To evaluate the endophytic colonization sites, a green fluorescent protein (GFP) derivative of P2b2R was generated (P2b–2Rgfp), but the effects of GFP modification on the Biological nitrogen fixation and plant growth promotion of Yaling QIAN, Professor Cited by 3,035 of Colorado State University, CO (CSU) Read 77 publications Contact Yaling QIANYaling QIAN Professor PhD ResearchGate

Mapping Leachate Pathways in Aging Mining Tailings Pond Using

2023年11月13日  tailings are pumped to tailings storage facilities (TSF) after filtering the liquid from solid wastes in the over 45 km wastes pipeline from the treating plant There are three TSFs atQian Tan's 91 research works with 1,374 citations programming model to alleviate nonpoint source pollution and increase wateruse efficiency through the adjustment of crop planting Qian Tan's research works GuangDong University of Technology 2021年8月26日  In general, a farmer who intends to raise a crop has to choose between these two methods of planting: direct seeding and transplanting To briefly distinguish, direct seeding means planting at the crop area with the use of seeds while transplanting is planting with the use of pregrown seedlings or plants that had been propagated from seedsMethods of Planting Crops: What Is Direct Seeding and 2022年5月1日  Phytomanagement of Pb/Zn/Cu tailings using biosolidsbiochar or humus combinations: Enhancement of bioenergy crop production, substrate functionality, and ecosystem services(PDF) Phytomanagement of Pb/Zn/Cu tailings using

Effects of Plant and Soil Characteristics on Phyllosphere and

2020年9月29日  Effects of Plant and Soil Characteristics on Phyllosphere and Rhizosphere Fungal Communities During Plant Development in a Copper Tailings Dam2007年11月30日  Wenting Qian; Phytoextraction and soils, crops, and nearby communities (Del PeñaOrtega et al, 2019 Atriplex spp is known as a pioneer plant on mine tailings in semiarid Western Phytoremediation of Mine Tailings in Temperate and Arid Environmentscrop on the metal availability and leaching in mine tailings using a pot test Bo Gao1,2 Xingfeng Zhang1,3 Chao Tian1,3 Xuehong Zhang1,3 Jie Liu1,3 while amendmentsmadethe plant growwellorbetterinthe tailings thaninNCS The additionof amendmentssignificantly reduced the content of heavy metalsand bioaccumulation factor Effects of amendments and aided phytostabilization of an energy crop 2023年6月27日  Background and aims Rhizosphere soil microorganisms play an important role in improving soil nutrients during the phytoremediation of iron tailings However, little is known about the keystone taxa in rhizosphere soil and their effects on soil enzyme activity Methods In iron mine tailings, rhizosphere soil of 14yearold Robinia pseudoacacia (R pseudoacacia) and Rhizosphere soil keystone taxa of Robinia pseudoacacia and

Effect of Different Amendments on Ryegrass Growth in Copper Mine Tailings

2003年11月1日  When compared with the tailings amended with lime (2 t ha−1) only, tailings receiving pig manure (252–503 t ha−1) and 2 t ha−1 of lime effectively improved shoot and root growth and 2016年9月15日  Effects of amendments and aided phytostabilization of an energy crop on the metal availability and leaching in mine tailings using a pot test Bo Gao Xingfeng Zhang Chao Tian and restore a vegetative cover to alluvial mine tailings in Leadville, CO found poor plant growth may have been related to elevated electrical conductivity Phytostabilization of mine tailings using compostassisted direct degradation, resulting in the retardation of plant growth and substantial reductions in crop yield [6] Worse 5, still, Cd is nonbiodegradable and can thus accumulate in the environment and subsequently contaminate the food chain via plant uptake, generating health risks such as teratogenic, mutagenic, and carcinogenic eects [78, ]Sweet sorghum for phytoremediation and bioethanol production Haoyu QIAN Cited by 428 of Nanjing Agricultural University, Nanjing (NAU) Read 17 publications Contact Haoyu QIANHaoyu QIAN Nanjing Agricultural University, Nanjing NAU

Tailings storage facilities, failures and disaster risk Nature

2024年8月6日  Mine tailings are voluminous and often toxic wastes, released 80,000 m 3 of tailings that severely contaminated crops, as did the 1998 Aznalcóllar, and planting tree saplings 131,133,1342021年4月9日  Traditional breeding for highyielding crops has mainly relied on the widespread cultivation of gibberellin Fanmiao Wang, Hideki Yoshida, Makoto Matsuoka, Making the ‘Green Revolution’ Truly Green: Improving Crop Nitrogen Use Efficiency, Plant and Cell Physiology, Volume 62, Issue 6, Qian Q, et alMaking the ‘Green Revolution’ Truly Green: Improving Crop 2024年4月10日  Mine tailings are the discarded materials resulting from mining processes after minerals have been extracted They consist of leftover mineral fragments, excavated land masses, and disrupted ecosystems The uncontrolled handling or discharge of tailings from abandoned mine lands (AMLs) poses a threat to the surrounding environment Numerous The efficient applications of native flora for phytorestoration of 2011年1月1日  Phosphorus (P) is an essential nutrient for crops and is applied to agricultural soil to bring or keep the soil at a certain target soil P status in view of an optimal crop yieldIntegrated soil and plant phosphorus management for crop

Chuntao QIAN Nanjing Agricultural University, Nanjing NAU

Chuntao QIAN Cited by 866 of Wild species related to domesticated crops and defense A previous study identified a gene, Csa6G , encoding a plant lipid transfer protein (LTP), as only agricultural grade lands to grow energy crops To reclaim these tailings to support energy crop growth, nutrients and organic materials are needed Pulp and paper mill byproducts have been used for amending agricultural soils and producing crops including corn (O’Brien et al 2003; Camberato et al 2006)Suitability of an organic residual cover on tailings for bioenergy crop 2022年11月23日  Study area The experimental site is located in a newly reclaimed farmland area in Xincheng village (41°45′ N, 119°37′ E), Xiaotang town, Jianping County, Chaoyang city, Liaoning Province, northern China (Fig 1), which is an area rich in iron ore resourcesMining waste materials, such as iron tailings and waste rock materials, occupy large amounts of landEffects of constructing farmland with large amounts of iron tailings To estimate net crop income, farmers were asked in detail about their agriculture management practices, input and output costs These include crop types, growing seasons of different crops, transportation and miscellaneous cost, cost and amount of inputs such as labor, irrigation, seeds, pesticide, fertilizer etc 222 Secondary dataClimate change and crop farming in Bangladesh: an Emerald

Soil heavy metals contamination and health risk of an endemic plant

2024年9月5日  Study area and data collection The study area was the habitat of D damavandica, located in the eastern parts of Damavand City, Tehran Province, Iran (33° 54′ 56" N, 46° 04′ 30" E)D 2024年2月14日  Ecological engineering of tailings has been advocated to change tailings’ mineralogy, improve physicochemical properties, and accelerate soil formation (ie pedogenic processes), allowing the recolonisation of microbial communities and pioneer plant species (Huang et al 2012)These early settlers, in turn, act as powerful biological drivers to advance Ecological rehabilitation of mine tailings Plant and Soil2019年10月1日  Climate change has been predicted to significantly and negatively affect crop productivity and efficiency of crop production in low income countries (Arshad et al, 2017; Reed et al, 2017; Arshad et al, 2018)Climatic extremes such as floods and droughts also damage crop farming causing a decline in the overall farm outcomes (Troy et al, 2015; Mendelsohn Economic impact of climate change on crop farming in Bangladesh2012年1月1日  However, the potential for transforming tailings and brownfields into productive agricultural land may provide a partial solution to the food versus fuel debate by minimizing the need to use only agricultural grade lands to grow energy crops To reclaim these tailings to support energy crop growth, nutrients and organic materials are neededSuitability of an organic residual cover on tailings for bioenergy crop

Comprehensive Utilization Analysis of Tailings ResearchGate

made into "micro fertilizer" to promote the growth of cropsAt the same time,some tailings The tailings in a tailings pond in Qian'an city were selected as the experimental object to study2022年11月23日  Effects of constructing farmland with large amounts of iron tailings as soil reconstruction materials on soil properties and crop growth November 2022 Scientific Reports 12(1)Effects of constructing farmland with large amounts of iron tailings

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