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K. Spokas · SciRah

Researcher profile · Semantic Scholar

K. Spokas

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K. Spokas — researcher profile on SciRah

h-index: 63
Works: 211
Citations: 17K

Most-cited papers

Feedstock choice, pyrolysis temperature and type influence biochar characteristics: a comprehensive meta-data analysis review
J. Ippolito, Li-Qiang Cui, C. Kammann, N. Wrage-Mönnig +7 more
2020Biochar797 citations Open access
Semantic Scholar
Biochar, soil and land-use interactions that reduce nitrate leaching and N2O emissions: A meta-analysis.
N. Borchard, M. Schirrmann, M. Cayuela, C. Kammann +7 more
2019Science of the Total Environment490 citations Open access
Semantic Scholar
Physical and chemical characterization of waste wood derived biochars.
Erin N. Yargicoglu, Yamini Sadasivam, K. R. Reddy, K. Spokas
2015Waste Management398 citations
Semantic Scholar
Activated Carbon, Biochar and Charcoal: Linkages and Synergies across Pyrogenic Carbon’s ABC s
Nico Hagemann, K. Spokas, H. Schmidt, Ralf Kägi +2 more
2018299 citations Open access
Semantic Scholar
Sorption of ammonium and nitrate to biochars is electrostatic and pH-dependent
Rivka B. Fidel, D. Laird, K. Spokas
2018Scientific Reports216 citations Open access
Semantic Scholar
Microstructural and associated chemical changes during the composting of a high temperature biochar: Mechanisms for nitrate, phosphate and other nutrient retention and release.
S. Joseph, C. Kammann, Jessica G. Shepherd, P. Conte +10 more
2018Science of the Total Environment210 citations
Semantic Scholar
Enhancing Cation Exchange Capacity of Weathered Soils Using Biochar: Feedstock, Pyrolysis Conditions and Addition Rate
R. R. Domingues, M. Sánchez-Monedero, K. Spokas, L. C. A. Melo +3 more
2020Agronomy196 citations Open access
Semantic Scholar
Biochar as a tool to reduce the agricultural greenhouse-gas burden – knowns, unknowns and future research needs
C. Kammann, J. Ippolito, N. Hagemann, N. Borchard +11 more
2017195 citations Open access
Semantic Scholar
Rapid and distinct responses of particulate and mineral-associated organic nitrogen to conservation tillage and cover crops
Andrea Jilling, Daniel A. Kane, Alwyn Williams, A. Yannarell +8 more
2020132 citations Open access
Semantic Scholar
Remediation of an acidic mine spoil: Miscanthus biochar and lime amendment affects metal availability, plant growth, and soil enzyme activity.
J. Novak, J. Ippolito, T. Ducey, D. Watts +4 more
2018Chemosphere105 citations Open access
Semantic Scholar
Designing advanced biochar products for maximizing greenhouse gas mitigation potential
S. Mandal, B. Sarkar, N. Bolan, J. Novak +7 more
2016104 citations Open access
Semantic Scholar
Biochars impact on water infiltration and water quality through a compacted subsoil layer.
J. Novak, Gilbert Sigua, D. Watts, K. Cantrell +4 more
2016Chemosphere97 citations
Semantic Scholar
Review of the Effects of Biochar Amendment on Soil Properties and Carbon Sequestration
Tao Xie, Yamini Sadasivam, K. R. Reddy, Cheng-Wen Wang +1 more
201692 citations
Semantic Scholar
Multi-year and multi-location soil quality and crop biomass yield responses to hardwood fast pyrolysis biochar
D. Laird, J. Novak, H. Collins, J. Ippolito +5 more
201785 citations Open access
Semantic Scholar
Biochar effects on nitrous oxide and methane emissions from soil
L. van Zwieten, C. Kammann, M. Cayuela, B. Singh +5 more
201582 citations
Semantic Scholar
Efficacies of designer biochars in improving biomass and nutrient uptake of winter wheat grown in a hard setting subsoil layer.
G. Sigua, Jeffrey M. Novak, Donald W. Watts, Mark G. Johnson +1 more
2016Chemosphere79 citations
Semantic Scholar
Pesticide sorption and leaching potential on three Hawaiian soils.
K. Hall, C. Ray, Jin Ki Seo, K. Spokas +1 more
2015Journal of Environmental Management77 citations
Semantic Scholar
Changes in sorption and bioavailability of herbicides in soil amended with fresh and aged biochar
B. Gámiz, P. Velarde, K. Spokas, R. Celis +1 more
2019Geoderma72 citations Open access
Semantic Scholar
Soil Health, Crop Productivity, Microbial Transport, and Mine Spoil Response to Biochars
J. Novak, J. Ippolito, R. Lentz, K. Spokas +5 more
2016Bioenergy Research68 citations
Semantic Scholar
Influence of pyrolysis temperature and hardwood species on resulting biochar properties and their effect on azimsulfuron sorption as compared to other sorbents.
Carmen Trigo, L. Cox, K. Spokas
2016Science of the Total Environment65 citations Open access
Semantic Scholar
Biochars multifunctional role as a novel technology in the agricultural, environmental, and industrial sectors.
J. Novak, K. Ro, Sik-Ok Yong, Gilbert Sigua +3 more
2016Chemosphere64 citations
Semantic Scholar
Biochar Soil Additions Affect Herbicide Fate: Importance of Application Timing and Feedstock Species.
B. Gámiz, P. Velarde, K. Spokas, M. Hermosín +1 more
2017Journal of Agricultural and Food Chemistry63 citations Open access
Semantic Scholar
GHG impacts of biochar: Predictability for the same biochar
A. Thomazini, K. Spokas, K. Hall, J. Ippolito +2 more
201563 citations
Semantic Scholar
Understanding Activation Effects on Low-Temperature Biochar for Optimization of Herbicide Sorption
B. Gámiz, K. Hall, K. Spokas, L. Cox
2019Agronomy51 citations Open access
Semantic Scholar
Concentration and Release of Phosphorus and Potassium From Lignocellulosic- and Manure-Based Biochars for Fertilizer Reuse
J. Novak, Mark G. Johnson, K. Spokas
2018Frontiers in Sustainable Food Systems51 citations Open access
Semantic Scholar
Large differences in potential denitrification and sediment microbial communities across the Laurentian great lakes
G. Small, J. Finlay, R. McKay, Mark J. Rozmarynowycz +4 more
2016Biogeochemistry49 citations
Semantic Scholar
Leachate water quality of soils amended with different swine manure-based amendments.
K. Ro, Jeffrey M. Novak, Mark G. Johnson, A. Szogi +3 more
2016Chemosphere48 citations
Semantic Scholar
Metolachlor Sorption and Degradation in Soil Amended with Fresh and Aged Biochars.
Carmen Trigo, K. Spokas, K. Hall, L. Cox +1 more
2016Journal of Agricultural and Food Chemistry48 citations Open access
Semantic Scholar
Phytostabilization of acidic mine tailings with biochar, biosolids, lime, and locally-effective microbes: Do amendment mixtures influence plant growth, tailing chemistry, and microbial composition?
K. Trippe, V. Manning, C. L. Reardon, A. Klein +8 more
2021Agriculture, Ecosystems & Environment. Applied Soil Ecology44 citations Open access
Semantic Scholar
Biochar reduces the efficiency of nitrification inhibitor 3,4-dimethylpyrazole phosphate (DMPP) mitigating N2O emissions
T. Fuertes-Mendizábal, X. Huérfano, I. Vega-Mas, F. Torralbo +11 more
2019Scientific Reports42 citations Open access
Semantic Scholar
Soil Functional Zone Management: A Vehicle for Enhancing Production and Soil Ecosystem Services in Row-Crop Agroecosystems
Alwyn Williams, Daniel A. Kane, P. Ewing, L. Atwood +14 more
2016Frontiers in Plant Science42 citations Open access
Semantic Scholar
Field measurements and modeling to resolve m2 to km2 CH4 emissions for a complex urban source: An Indiana landfill study
M. Cambaliza, J. Bogner, R. Green, P. Shepson +4 more
201741 citations Open access
Semantic Scholar
Pyrolysis biochar has negligible effects on soil greenhouse gas production, microbial communities, plant germination, and initial seedling growth.
Elizabeth Meschewski, N. Holm, B. Sharma, K. Spokas +2 more
2019Chemosphere40 citations Open access
Semantic Scholar
Carbon Dosing Increases Nitrate Removal Rates in Denitrifying Bioreactors at Low-Temperature High-Flow Conditions.
M. B. Roser, G. Feyereisen, K. Spokas, D. Mulla +2 more
2018Journal of Environmental Quality39 citations
Semantic Scholar
Phytostabilization of Zn and Cd in Mine Soil Using Corn in Combination with Biochars and Manure-Based Compost
G. Sigua, Jeffrey M. Novak, D. Watts, J. Ippolito +3 more
2019Environments34 citations Open access
Semantic Scholar
Glyphosate sorption/desorption on biochars - interactions of physical and chemical processes.
K. Hall, K. Spokas, B. Gámiz, L. Cox +2 more
2018Pest Management Science33 citations
Semantic Scholar
Assessing the Effect of Organoclays and Biochar on the Fate of Abscisic Acid in Soil.
B. Gámiz, L. Cox, M. Hermosín, K. Spokas +1 more
2017Journal of Agricultural and Food Chemistry32 citations Open access
Semantic Scholar
Mechanisms for 1,3-Dichloropropene Dissipation in Biochar-Amended Soils.
Qiu-Xia Wang, Su-Duan Gao, Dong Wang, K. Spokas +2 more
2016Journal of Agricultural and Food Chemistry26 citations
Semantic Scholar
A comparison of soil hydrothermal properties in zonal and uniform tillage systems across the US Corn Belt.
Alwyn Williams, A. Davis, P. Ewing, A. Grandy +8 more
201624 citations Open access
Semantic Scholar
Global Diversity of the Brachypodium Species Complex as a Resource for Genome-Wide Association Studies Demonstrated for Agronomic Traits in Response to Climate
P. Wilson, J. Streich, Kevin D. Murray, S. Eichten +7 more
2018Genetics22 citations Open access
Semantic Scholar
Reconciling opposing soil processes in row-crop agroecosystems via soil functional zone management
Alwyn Williams, A. Davis, Andrea Jilling, A. Grandy +7 more
201722 citations Open access
Semantic Scholar
Influence of Biochar Particle Size and Shape on Soil Hydraulic Properties
T. Lim, K. Spokas, G. Feyereisen, R. Weis +1 more
2017Journal of Environmental Science and Engineering Technology20 citations Open access
Semantic Scholar
Biochar research activities and their relation to development and environmental quality. A meta-analysis
K. Mehmood, E. Chávez-García, M. Schirrmann, B. Ladd +12 more
2017Agronomy for Sustainable Development20 citations Open access
Semantic Scholar
Dynamic Effect of Fresh and Aged Biochar on the Behavior of the Herbicide Mesotrione in Soils.
B. Gámiz, P. Velarde, K. Spokas, L. Cox
2019Journal of Agricultural and Food Chemistry19 citations Open access
Semantic Scholar
Evaluating Agricultural Management Effects on Alachlor Availability: Tillage, Green Manure, and Biochar
K. Mendes, K. Hall, K. Spokas, W. Koskinen +1 more
201719 citations Open access
Semantic Scholar
Microbial diversity and soil health parameters associated with turfgrass landscapes
Ming-Yi Chou, D. Pavlou, Pamela J. Rice, K. Spokas +2 more
2024Agriculture, Ecosystems & Environment. Applied Soil Ecology17 citations Open access
Semantic Scholar
Biochar changes the bioavailability and bioefficacy of the allelochemical coumarin in agricultural soils.
B. Gámiz, R. López-Cabeza, P. Velarde, K. Spokas +1 more
2020Pest Management Science17 citations Open access
Semantic Scholar
Columns and Detectors Recommended in Gas Chromatography to Measure Greenhouse Emission and O2 Uptake in Soil: A Review
R. Ferraz-Almeida, K. Spokas, R. D. de Oliveira
2020Communications in Soil Science and Plant Analysis17 citations
Semantic Scholar
Precision control of soil nitrogen cycling via soil functional zone management
Alwyn Williams, A. Davis, P. Ewing, A. Grandy +8 more
201617 citations Open access
Semantic Scholar
Research and Application of Biochar in North America
Wei Zheng, N. Holm, K. Spokas
201517 citations
Semantic Scholar

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