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Biochar application to soil

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https://www.readbyqxmd.com/read/29454169/farmyard-manure-alone-and-combined-with-immobilizing-amendments-reduced-cadmium-accumulation-in-wheat-and-rice-grains-grown-in-field-irrigated-with-raw-effluents
#1
Muhammad Zia Ur Rehman, Muhammad Rizwan, Hinnan Khalid, Shafaqat Ali, Asif Naeem, Balal Yousaf, Guijian Liu, Muhammad Sabir, Muhammad Farooq
Cadmium (Cd) stress is a serious concern in agricultural soils worldwide whereas little is known about the impact of farmyard manure (FYM) alone or combined with limestone, lignite and biochar on Cd concentrations in plants. Wheat was grown in Cd-contaminated field amended with control (T 1 ), FYM @ 0.1% (T 2 ), FYM + limestone @ 0.05% each (T 3 ), FYM + lignite @ 0.05% each (T 4 ), FYM + biochar @ 0.05% each (T 5 ) and subsequent rice was grown without additional use of amendments. Soil application of amendments increased straw and grain yield and thousand grain weight being maximum in FYM + limestone treatment...
February 8, 2018: Chemosphere
https://www.readbyqxmd.com/read/29433100/microbe-mediated-arsenic-release-from-iron-minerals-and-arsenic-methylation-in-rhizosphere-controls-arsenic-fate-in-soil-rice-system-after-straw-incorporation
#2
Yu-Ping Yang, Hong-Mei Zhang, Hai-Yan Yuan, Gui-Lan Duan, De-Cai Jin, Fang-Jie Zhao, Yong-Guan Zhu
Arsenic (As) contamination is a global problem. Straw incorporation is widely performed in As contaminated paddy fields. To understand how straw and straw biochar incorporation affect As transformation and translocation in the soil-microbe-rice system, a pot experiment was carried out with different dosages of rice straw and straw biochar application. Results showed that both straw biochar and straw application significantly increased As mobility. Straw biochar mobilized As mainly through increasing soil pH and DOM content...
February 9, 2018: Environmental Pollution
https://www.readbyqxmd.com/read/29428854/effects-of-application-of-inhibitors-and-biochar-to-fertilizer-on-gaseous-nitrogen-emissions-from-an-intensively-managed-wheat-field
#3
Tiehu He, Deyan Liu, Junji Yuan, Jiafa Luo, Stuart Lindsey, Nanthi Bolan, Weixin Ding
The effects of biochar combined with the urease inhibitor, hydroquinone, and nitrification inhibitor, dicyandiamide, on gaseous nitrogen (N2O, NO and NH3) emissions and wheat yield were examined in a wheat crop cultivated in a rice-wheat rotation system in the Taihu Lake region of China. Eight treatments comprised N fertilizer at a conventional application rate of 150kgNha-1 (CN); N fertilizer at an optimal application rate of 125kgNha-1 (ON); ON+wheat-derived biochar at rates of 7.5 (ONB1) and 15tha-1 (ONB2); ON+nitrification and urease inhibitors (ONI); ONI+wheat-derived biochar at rates of 7...
February 8, 2018: Science of the Total Environment
https://www.readbyqxmd.com/read/29426218/the-effect-of-biochar-feedstock-pyrolysis-temperature-and-application-rate-on-the-reduction-of-ammonia-volatilisation-from-biochar-amended-soil
#4
Sanchita Mandal, Erica Donner, Sotirios Vasileiadis, William Skinner, Euan Smith, Enzo Lombi
Ammonia (NH3) volatilisation is one of the most important causes of nitrogen (N) loss in soil-plant systems worldwide. Carbon-based amendments such as biochar have been shown to mitigate NH3 volatilisation in agricultural soils to various degrees. In this study, we investigated the influence of biochar feedstocks (poultry manure, green waste compost, and wheat straw), pyrolysis temperatures (250, 350, 450, 500 and 700°C) and application rates (1 and 2%), on NH3 volatilisation from a calcareous soil. The 15 biochars were chemically characterized, and a laboratory incubation study was conducted to assess NH3 volatilisation from the soil over a period of four weeks...
February 2, 2018: Science of the Total Environment
https://www.readbyqxmd.com/read/29425945/bamboo-and-pig-derived-biochars-reduce-leaching-losses-of-dibutyl-phthalate-cadmium-and-lead-from-co-contaminated-soils
#5
Peng Qin, Hailong Wang, Xing Yang, Lizhi He, Karin Müller, Sabry M Shaheen, Song Xu, Jörg Rinklebe, Daniel C W Tsang, Yong Sik Ok, Nanthi Bolan, Zhaoliang Song, Lei Che, Xiaoya Xu
Biochar effect on the potential mobility of dibutyl phthalate (DBP), cadmium (Cd), and lead (Pb) in co-contaminated soils is not well investigated. A laboratory leaching study was conducted to evaluate the effect of biochars derived from bamboo (BB) and pig (PB) on the leachability of DBP, Cd, and Pb through soil columns packed with two soils with low or high organic carbon content (LOC; 0.35% C: HOC; 2.24% C) and spiked with DBP, Cd, and Pb. Application of PB to the LOC soil significantly (P < 0.05) reduced the leaching loss by up to 88% for DBP, 38% for Cd, and 71% for Pb, whereas its impact was insignificant in the HOC soil...
February 3, 2018: Chemosphere
https://www.readbyqxmd.com/read/29425842/influence-of-biochar-aged-in-acidic-soil-on-ecosystem-engineers-and-two-tropical-agricultural-plants
#6
Ihuoma N Anyanwu, Moses N Alo, Amos M Onyekwere, John D Crosse, Okoro Nworie, Emmanuel B Chamba
Biochar amendment to soil is predicted globally as a means to enhance soil health. Alongside the beneficial result on soil nutrient availability and retention, biochar is presumed to increase soil macro / microbiota composition and improve plant growth. However, evidence for such an effect remains elusive in many tropical agricultural soils. The influence of biochar aged in soil was assessed on soil microbiota, macrobiota (Eudrilus eugeniae), seedling emergence and early plant growth of Oryza sativa and Solanum lycopersicum in tropical agricultural soil, over a 90 d biochar-soil contact time...
February 6, 2018: Ecotoxicology and Environmental Safety
https://www.readbyqxmd.com/read/29422192/biochars-induced-modification-of-dissolved-organic-matter-dom-in-soil-and-its-impact-on-mobility-and-bioaccumulation-of-arsenic-and-cadmium
#7
Gang Li, Sardar Khan, Muhammad Ibrahim, Tian-Ran Sun, Jian-Feng Tang, James B Cotner, Yao-Yang Xu
Biochar application has attracted great attention due to its diverse uses and benefits in the fields of environmental management and agriculture. Biochar modifies the composition of dissolved organic matter (DOM) in soil, which directly or indirectly controls the mobility of metal contaminants and their bioaccumulation. In this study, ten different hydrothermal biochars pyrolysed from mushroom waste (MSBC), soybean straw (SBBC), sewage sludge (SSBC), peanut shells (PNBC) and rice straw (RSBC) at two pyrolysis temperatures (200 °C and 350 °C) were used to investigate DOM changes in soil solution and their effects on metal availability and bioaccumulation...
April 15, 2018: Journal of Hazardous Materials
https://www.readbyqxmd.com/read/29421750/functionalized-biochar-derived-from-heavy-metal-rich-feedstock-phosphate-recovery-and-reusing-the-exhausted-biochar-as-an-enriched-soil-amendment
#8
Ahmed Mosa, Ayman El-Ghamry, Mona Tolba
This paper provides a circular win-win approach for recycling rhizofiltration biomass into multifunctional engineered biochar for various environmental applications (e.g. phosphate recovery) with a potential reuse of the exhausted biochar as an enriched soil amendment. Functionalized biochars were derived from the disposals of water hyacinth (Eichhornia crassipes) plants grown in synthetic contaminated water spiked with either Fe2+ (Fe-B), Mn2+ (Mn-B), Zn2+ (Zn-B) or Cu2+ (Cu-B) comparing with the original drainage water as a control treatment (O-B)...
February 1, 2018: Chemosphere
https://www.readbyqxmd.com/read/29417582/activating-biochar-by-manipulating-the-bacterial-and-fungal-microbiome-through-pre-conditioning
#9
Amit K Jaiswal, Yigal Elad, Eddie Cytryn, Ellen R Graber, Omer Frenkel
Biochar can enhance plant growth and reduce diseases, but frequently the optimal doses for these two benefits do not coincide. An approach is needed that will extend the range of biochar doses resulting in a concurrence of maximum benefits for both plant productivity and disease suppression. A biochar-amended growth medium was pre-conditioned by pre-planting fertigation in order to enhance the indigenous microbial community structure and activity. Cucumber plant performance and resistance against damping-off caused by Pythium aphanidermatum were monitored...
February 8, 2018: New Phytologist
https://www.readbyqxmd.com/read/29406100/review-on-utilization-of-biochar-for-metal-contaminated-soil-and-sediment-remediation
#10
REVIEW
Mingming Wang, Yi Zhu, Lirong Cheng, Bruce Andserson, Xiaohui Zhao, Dayang Wang, Aizhong Ding
Biochar is a carbon-neutral or even carbon-negative material produced through thermal decomposition of plant- and animal-based biomass under oxygen-limited conditions. Recently, there has been an increasing interest in the application of biochar as an adsorbent, soil ameliorant and climate mitigation approach in many types of applications. Metal-contaminated soil remediation using biochar has been intensively investigated in small-scale and pilot-scale trials with obtained beneficial results and multifaceted effects...
January 2018: Journal of Environmental Sciences (China)
https://www.readbyqxmd.com/read/29394272/effect-of-dolomite-and-biochar-addition-on-n2o-and-co2-emissions-from-acidic-tea-field-soil
#11
Aung Zaw Oo, Shigeto Sudo, Hiroko Akiyama, Khin Thuzar Win, Akira Shibata, Akinori Yamamoto, Tomohito Sano, Yuhei Hirono
A laboratory study was conducted to study the effects of liming and different biochar amendments on N2O and CO2 emissions from acidic tea field soil. The first experiment was done with three different rates of N treatment; N 300 (300 kg N ha-1), N 600 (600 kg N ha-1) and N 900 (900 kg N ha-1) and four different rates of bamboo biochar amendment; 0%, 0.5%, 1% and 2% biochar. The second experiment was done with three different biochars at a rate of 2% (rice husk, sawdust, and bamboo) and a control and lime treatment (dolomite) and control at two moisture levels (50% and 90% water filled pore space (WFPS))...
2018: PloS One
https://www.readbyqxmd.com/read/29381852/comparison-between-soil-derived-and-biochar-derived-humic-acids-composition-conformation-and-phenanthrene-sorption
#12
Jie Jin, Ke Sun, Yan Yang, Ziying Wang, Lanfang Han, Xiangke Wang, Fengchang Wu, Baoshan Xing
Biochar-derived organic matter (BDOM) plays an important role in determining biochar's application potential in soil remediation. However, little is known about the physicochemical properties of BDOM and its sorption of hydrophobic organic compounds (HOCs). Humic acids (HAs) were extracted from oxidized biochars produced from plant straws and animal manures at 450 °C, and their sorption of phenanthrene, a representative of HOCs, was investigated. The organic carbon recovery of biochar-derived HAs (BDHAs) was 13...
January 30, 2018: Environmental Science & Technology
https://www.readbyqxmd.com/read/29373575/biochar-amendment-changes-jasmonic-acid-levels-in-two-rice-varieties-and-alters-their-resistance-to-herbivory
#13
Muhammad Waqas, Raheem Shahzad, Muhammad Hamayun, Sajjad Asaf, Abdul Latif Khan, Sang-Mo Kang, Sopheap Yun, Kyung-Min Kim, In-Jung Lee
Biochar addition to soil not only sequesters carbon for the long-term but enhances agricultural productivity. Several well-known benefits arise from biochar amendment, including constant provision of nutrients, increased soil moisture retention, decreased soil bulk density, and sometimes the induction of systemic resistance against foliar and soil borne plant pathogens. However, no research has investigated the potential of biochar to increase resistance against herbivory. The white-backed plant hopper (WBPH) (Sogatella furcifera Horváth) is a serious agricultural pest that targets rice (Oryza sativa L...
2018: PloS One
https://www.readbyqxmd.com/read/29368196/an-assessment-of-emergy-energy-and-cost-benefits-of-grain-production-over-6%C3%A2-years-following-a-biochar-amendment-in-a-rice-paddy-from-china
#14
Lei Wang, Lianqing Li, Kun Cheng, Chunying Ji, Qian Yue, Rongjun Bian, Genxing Pan
Biochar soil amendment had been increasingly advocated for improving crop productivity and reducing carbon footprint in agriculture worldwide. However, the long-term benefits of biochar application with farming systems had not been thoroughly understood. This study quantified and assessed emergy, energy, and economic benefits of rice and wheat production throughout 6 rotation years following a single biochar amendment in a rice paddy from Southeastern China. Using the data from farm inventory, the quantified emergy indices included grain outputs, unit emergy value, and relative percentage of free renewable resources, environmental loading ratio, emergy yield ratio, and emergy sustainability index (ESI)...
January 24, 2018: Environmental Science and Pollution Research International
https://www.readbyqxmd.com/read/29358139/variable-effects-of-biochar-application-to-soils-on-nitrification-mediated-n2o-emissions
#15
Gayoung Yoo, Yong Oon Lee, Tae Jin Won, Jun Ge Hyun, Weixin Ding
Although a meta-analysis on biochar's effects on N2O emission reported an overall reduction in N2O emission by adding biochar to the soils, there are still variations in the changes in N2O emission, especially from field results. The objectives of this study are 1) to compare the effects of biochar addition on N2O emission between three agricultural upland field experiments, where soil water status was dry favoring nitrification and 2) to identify main factors explaining biochar's variable effects on N2O emission...
January 19, 2018: Science of the Total Environment
https://www.readbyqxmd.com/read/29348057/peanut-straw-biochar-increases-the-resistance-of-two-ultisols-derived-from-different-parent-materials-to-acidification-a-mechanism-study
#16
Ren-Yong Shi, Zhi-Neng Hong, Jiu-Yu Li, Jun Jiang, Muhammad Aqeel Kamran, Ren-Kou Xu, Wei Qian
The mechanisms for increasing soil pH buffering capacity (pHBC) and soil resistance to acidification by peanut straw biochar were investigated by undertaking indoor incubation and simulated acidification experiments using two Ultisols derived from tertiary red sandstone and quaternary red earth. The biochar increased the pHBC and resistance of the two Ultisols to acidification. The addition of 3% biochar increased the pHBC of the two Ultisols by 76% and 25%, respectively. The increased resistance of the soils to acidification led to the inhibition to decrease in soil pH and the activation of soil Al during acidification...
January 15, 2018: Journal of Environmental Management
https://www.readbyqxmd.com/read/29331853/mobility-of-heavy-metals-in-sandy-soil-after-application-of-composts-produced-from-maize-straw-sewage-sludge-and-biochar
#17
K Gondek, M Mierzwa-Hersztek, M Kopeć
Studies on the availability of heavy metals in composted organic materials and in soil amended with these materials are of practical significance. They are used in the assessment of the purity of the soil environment and of the biological value of plants intended for human and animal consumption. Composting of organic materials has a significant effect on changes in mobile forms of heavy metals. Therefore, the aim of this study was to determine the effect of the addition of biochar and sewage sludge on (i) the contents of water soluble forms of Cu, Cd, Pb, and Zn in composts; and (ii) the contents of mobile forms of these elements in sandy soil after the addition of composts...
January 11, 2018: Journal of Environmental Management
https://www.readbyqxmd.com/read/29327196/biochar-amendment-with-fertilizers-increases-peanut-n-uptake-alleviates-soil-n2o-emissions-without-affecting-nh3-volatilization-in-field-experiments
#18
Guangcai Tan, Hongyuan Wang, Nan Xu, Hongbin Liu, Limei Zhai
Biochar application to soil is currently widely advocated for a variety of reasons related to sustainability. However, the synergistic effects of biochar combined with mineral or organic fertilizer on soil N2O emissions, NH3 volatilization, and plant N uptake are poorly documented. Field plot experiments planted with peanut were conducted under the application of biochar (derived from rice husk and cottonseed husk, 50 t ha-1) with organic or mineral fertilizer. It was found that biochar increased soil nutrient availability and decreased surface soil bulk density, demonstrating that biochar could improve the soil quality especially in the 0-20-cm profile...
January 12, 2018: Environmental Science and Pollution Research International
https://www.readbyqxmd.com/read/29327187/does-biochar-affect-the-availability-and-chemical-fractionation-of-phosphate-in-soils
#19
Can Hong, Shenggao Lu
Biochar as a soil amendment has been reported to affect the content and availability of soil nutrients. In this study, we aimed to test whether the biochar addition to soils would change the availability and chemical fractionation of phosphate in soils. Two soils (Ultisol and Alfisol) were amended with five kinds of biochars at application rate of 0, 1, and 2% (w/w). After 3-month incubation, availability and chemical forms of P were measured to investigate the potential effect and role of biochar in improving P availability in soils...
January 11, 2018: Environmental Science and Pollution Research International
https://www.readbyqxmd.com/read/29324750/biochar-derived-from-corn-straw-affected-availability-and-distribution-of-soil-nutrients-and-cotton-yield
#20
Xiaofei Tian, Chengliang Li, Min Zhang, Yongshan Wan, Zhihua Xie, Baocheng Chen, Wenqing Li
Biochar application as a soil amendment has been proposed as a strategy to improve soil fertility and increase crop yields. However, the effects of successive biochar applications on cotton yields and nutrient distribution in soil are not well documented. A three-year field study was conducted to investigate the effects of successive biochar applications at different rates on cotton yield and on the soil nutrient distribution in the 0-100 cm soil profile. Biochar was applied at 0, 5, 10, and 20 t ha-1 (expressed as Control, BC5, BC10, and BC20, respectively) for each cotton season, with identical doses of chemical fertilizers...
2018: PloS One
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