2026 Jeffrey M. Novak: Plant Science and Agronomy Researcher – H-Index, Publications & Awards

D-Index & Metrics

Discipline name	D-Index	World Ranking	Current World Ranking	National Ranking	Current National Ranking	Publications	Citations
Plant Science and Agronomy	64	957	882	258	226	167	23399
Environmental Sciences	67	1924	1834	800	738	191	25794

Discipline name

D-Index

World Ranking

Current World Ranking

National Ranking

Current National Ranking

Publications

Citations

Plant Science and Agronomy

957

882

258

226

167

23399

Environmental Sciences

1924

1834

800

738

191

25794

Plant Science and Agronomy

D-Index

Citations

23399

World Ranking

957

National Ranking

258

Environmental Sciences

D-Index

Citations

25794

World Ranking

1924

National Ranking

800

Overview

Jeffrey M. Novak is a researcher affiliated with the United States Department of Agriculture in the United States. Their work focuses primarily on Environmental Science and Agricultural and Biological Sciences. Within these broad fields, they have contributed notably to subfields such as Soil Science, Biomaterials, Industrial and Manufacturing Engineering, Environmental Chemistry, and Pollution.

Their research addresses various main topics including Soil Carbon and Nitrogen Dynamics, Clay minerals and soil interactions, Soil and Water Nutrient Dynamics, Phosphorus and nutrient management, Constructed Wetlands for Wastewater Treatment, Microplastics and Plastic Pollution, and Soil and Unsaturated Flow.

Novak has published extensively in various journals, with frequent appearances in the following venues:

Biochar
Agronomy
Agronomy Journal
Agrosystems Geosciences & Environment
Sustainability

Frequent co-authors collaborating with Novak include:

D. W. Watts
Mark G. Johnson
Gilbert C. Sigua
Thomas F. Ducey
James A. Ippolito

Some recent papers featuring Novak's work are:

"Feedstock choice, pyrolysis temperature and type influence biochar characteristics: a comprehensive meta-data analysis review" (2020), published in Biochar
"Towards predicting biochar impacts on plant-available soil nitrogen content" (2022), published in Biochar
"Phytostabilization of acidic mine tailings with biochar, biosolids, lime, and locally-sourced microbial inoculum: Do amendment mixtures influence plant growth, tailing chemistry, and microbial composition?" (2021), published in Applied Soil Ecology
"Physiochemical Characterization of Biochars from Six Feedstocks and Their Effects on the Sorption of Atrazine in an Organic Soil" (2021), published in Agronomy
"Loamy sand soil approaches organic carbon saturation after 37 years of conservation tillage" (2020), published in Agronomy Journal

Best Publications

FIELD-SCALE VARIABILITY OF SOIL PROPERTIES IN CENTRAL IOWA SOILS

C. A. Cambardella;T. B. Moorman;T. B. Parkin;D. L. Karlen

5854
Citations
Impact of Biochar Amendment on Fertility of a Southeastern Coastal Plain Soil

Jeffrey M. Novak;Warren J. Busscher;David L. Laird;Mohamed Ahmedna

1776
Citations
Impact of pyrolysis temperature and manure source on physicochemical characteristics of biochar.

Keri B. Cantrell;Patrick G. Hunt;Minori Uchimiya;Jeffrey M. Novak

1684
Citations
CHARACTERIZATION OF DESIGNER BIOCHAR PRODUCED AT DIFFERENT TEMPERATURES AND THEIR EFFECTS ON A LOAMY SAND

Jeffrey M. Novak;Isabel Lima;Julia W. Gaskin;Christoph Steiner

1254
Citations
Biochar: a synthesis of its agronomic impact beyond carbon sequestration.

Kurt A. Spokas;Keri B. Cantrell;Jeffrey M. Novak;David W. Archer

1133
Citations
Feedstock choice, pyrolysis temperature and type influence biochar characteristics: a comprehensive meta-data analysis review

James A. Ippolito;Liqiang Cui;Claudia Kammann;Nicole Wrage-Mönnig

726
Citations
An ultraviolet absorbance method of estimating the percent aromatic carbon content of humic acids.

Samuel J. Traina;Jeff Novak;Neil E. Smeck

575
Citations
Qualitative analysis of volatile organic compounds on biochar.

Kurt A. Spokas;Jeffrey M. Novak;Catherine E. Stewart;Keri B. Cantrell

563
Citations
Biochar, soil and land-use interactions that reduce nitrate leaching and N2O emissions: A meta-analysis.

Nils Borchard;Michael Schirrmann;Maria Luz Cayuela;Claudia Kammann

541
Citations
Short-term CO2 mineralization after additions of biochar and switchgrass to a Typic Kandiudult ☆

J.M. Novak;W.J. Busscher;D.W. Watts;D.A. Laird

511
Citations
Characteristics and nutrient values of biochars produced from giant reed at different temperatures.

Hao Zheng;Zhenyu Wang;Xia Deng;Jian Zhao

434
Citations
Biochars impact on soil moisture storage in an Ultisol and two Aridisols

Jeffrey M. Novak;Warren J. Busscher;Donald W. Watts;James E. Amonette

419
Citations
Influence of Pecan Biochar on Physical Properties of a Norfolk Loamy Sand

Warren J. Busscher;Jeff M. Novak;Dean E. Evans;Don W. Watts

409
Citations
Sorption of bisphenol A, 17α-ethinyl estradiol and phenanthrene on thermally and hydrothermally produced biochars

Ke Sun;Kyoung Ro;Mingxin Guo;Jeff Novak

408
Citations
Biochar’s role as an alternative N-fertilizer: ammonia capture

Kurt A. Spokas;Jeff M. Novak;Rodney T. Venterea

395
Citations
Physical Disintegration of Biochar: An Overlooked Process

K. A. Spokas;K. A. Spokas;J. M. Novak;C. A. Masiello;M. G. Johnson

353
Citations
Soil Organic Matter Characteristics as Affected by Tillage Management

G. Ding;J. M. Novak;D. Amarasiriwardena;P. G. Hunt

312
Citations
Predicting the impact of biochar additions on soil hydraulic properties

T.J. Lim;K.A. Spokas;K.A. Spokas;G. Feyereisen;J.M. Novak

286
Citations
Effect of cover crop management on soil organic matter

Guangwei Ding;Xiaobing Liu;Stephen Herbert;Jeffrey Novak

274
Citations
Addition of activated switchgrass biochar to an aridic subsoil increases microbial nitrogen cycling gene abundances

Thomas F. Ducey;James A. Ippolito;Keri B. Cantrell;Jeffrey M. Novak

251
Citations
Biochar as a tool to reduce the agricultural greenhouse-gas burden – knowns, unknowns and future research needs

Claudia Kammann;Jim Ippolito;Nikolas Hagemann;Nils Borchard

230
Citations