John A. Shaffer - Concepedia

Author

John A. Shaffer

Also Known As

J. A. SHAFFER, J. A. Shaffer, J.A Shaffer, J.A. Shaffer, JOHN A. SHAFFER, John A Shaffer, John A. Shaffer, John Shaffer, Shaffer, John A.

Publications

888

Citations

H-Index

Concepts

All Affiliations

Agricultural Research Service Pennsylvania State University Waters (United States)Florida Medical Entomology Laboratory United States Department of Agriculture

About

John A. Shaffer is an author at Agricultural Research Service specializing in engineering, agricultural economics, and botany.

Top Concepts

#	Concept	H-Index	Publications	Citations
1	Engineering	15	21	583
2	Public Health	10	11	241
3	Natural Sciences	2	2	27
4	Education	1	1	20
5	Social Sciences	1	1	14

John A. Shaffer

Publications

811

Citations

H-Index

Page 1

	Year	Citations
Evaluation of soil organic carbon under forests, cool-season and warm-season grasses in the northeastern US Marife D. Corre, R. R. Schnabel, John A. Shaffer Soil Biology and Biochemistry Carbon SequestrationBiogeochemistryEngineeringSoil Carbon CycleWarm-season Grasses	1999	96
Denitrification in a Grassed and a Wooded, Valley and Ridge, Riparian Ecotone R. R. Schnabel, L. F. Cornish, W. L. Stout, Journal of Environmental Quality	1996	72
Warm‐Season Grass Diversity in Yield, Plant Morphology, and Nitrogen Concentration and Removal in Northeastern USA G. A. Jung, John A. Shaffer, W. L. Stout, Agronomy Journal Northeastern UsaEngineeringBotanyRangeland ProductivityCrop Science	1990	54
Switchgrass and Big Bluestem Responses to Amendments on Strongly Acid Soil G. A. Jung, John A. Shaffer, W. L. Stout Agronomy Journal Fertilizer RateStrongly Acid SoilEngineeringBotanyLivestock Production	1988	54
Effects of Soil and Nitrogen on Water Use Efficiency of Tall Fescue and Switchgrass Under Humid Conditions W. L. Stout, G. A. Jung, John A. Shaffer Soil Science Society of America Journal	1988	50
Performance of ‘Grasslands Puna’ Chicory at Different Management Levels Gerald A. Jung, John A. Shaffer, John R. Everhart, Agronomy Journal EngineeringBotanyRangeland ProductivityPalatable ForageCropping System	1996	39
Effects of re-establishing tidal connections in two impounded subtropical marshes on fishes and physical conditions Jorge R. Rey, John A. Shaffer, Derek M. Tremain, Wetlands EngineeringNearshore ProcessRe-establishing Tidal ConnectionsPhysical ConditionsTidal Zone	1990	37
Sulfide Variation in the Pore and Surface Waters of Artificial Salt-Marsh Ditches and a Natural Tidal Creek Jorge R. Rey, John A. Shaffer, Tim Kain, Estuaries Estuarine GeochemistryEngineeringEnvironmental EngineeringSediment-water InteractionArtificial Salt-marsh Ditches	1992	33
Forage Dry Matter Accumulation and Quality of Turnip, Swede, Rape, Chinese Cabbage Hybrids, and Kale in the Eastern USA<sup>1</sup> G. A. Jung, R. A. Byers, M. T. Panciera, Agronomy Journal EngineeringBotanyAgricultural EconomicsPlant PathologyChinese Cabbage Hybrids	1986	31
Uptake of a Hydrologic Tracer (Bromide) by Ryegrass from Well and Poorly‐Drained Soils R. R. Schnabel, W. L. Stout, John A. Shaffer Journal of Environmental Quality BiogeochemistryPlant-soil InteractionEngineeringBotanyBromide Uptake	1995	31

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