U. D. Havelka - Concepedia

Author

U. D. Havelka

DuPont (United States)

Also Known As

U. D. Havelka, U.D. Havelka, Ulysses D. Havelka

Publications

800

Citations

H-Index

Concepts

All Affiliations

DuPont (United States)Experimental Station

About

U. D. Havelka is an author at DuPont (United States) specializing in agricultural economics, botany, and engineering.

Top Concepts

#	Concept	H-Index	Publications	Citations
1	Engineering	6	6	612
2	Public Health	3	3	489
3	Natural Sciences	2	2	124
4	Biochemistry	2	2	53
5	Medicine	1	1	42

U. D. Havelka

Publications

728

Citations

H-Index

Page 1

	Year	Citations
Nitrogen Fixation Research: A Key to World Food? R. W. F. Hardy, U. D. Havelka Science NutritionBiogeochemistryEngineeringSustainable AgricultureAgricultural Economics	1975	349
CO<sub>2</sub>‐Enrichment Effects on Wheat Yield and Physiology<sup>1</sup> U. D. Havelka, V. A. Wittenback, M. G. Boyle Crop Science Carbon SequestrationEngineeringPlant-abiotic InteractionBotanyWheat Yield	1984	103
CO<sub>2</sub>‐Enrichment Effects on Soybean Physiology. I. Effects of Long‐Term CO<sub>2</sub> Exposure<sup>1</sup> U. D. Havelka, R. C. Ackerson, M. G. Boyle, Crop Science BiologyGlycine MaxCarbon SequestrationEngineeringPlant Stress	1984	82
Adaptation of Nitrogen Fixation by Intact Soybean Nodules to Altered Rhizosphere pO<sub>2</sub> J. G. Criswell, U. D. Havelka, Bruno Quebedeaux, PLANT PHYSIOLOGY BotanyAltered RhizospherePlant-soil InteractionReactive Nitrogen SpecieIntact Soybean	1976	42
Effect of Altered pO<sub>2</sub> in the Aerial Part of Soybean on Symbiotic N<sub>2</sub> Fixation Bruno Quebedeaux, U. D. Havelka, Kenneth L. Livak, PLANT PHYSIOLOGY	1975	37
Effect of Weeds and Cultural Practices on Sorghum Yields A. F. Wiese, J. W. Collier, L. E. Clark, Weeds Sorghum PlantingEffective CompetitionBotanyWeed GerminationSustainable Agriculture	1964	37
CO<sub>2</sub>‐Enrichment Effects on Soybean Physiology. II. Effects of Stage‐Specific CO<sub>2</sub> Exposure<sup>1</sup> R. C. Ackerson, U. D. Havelka, M. G. Boyle Crop Science Glycine MaxCarbon SequestrationBiogeochemistryEngineeringPhotorespiration	1984	36
Effect of Rhizosphere pO<sub>2</sub> on Nitrogen Fixation by Excised and Intact Nodulated Soybean Roots<sup>1</sup> J. G. Criswell, U. D. Havelka, Bruno Quebedeaux, Crop Science BiogeochemistryPlant-soil InteractionEngineeringPlant StressBotany	1977	31
The Opportunity for and Significance of Alteration of Ribulose 1,5-Bisphosphate Carboxylase Activities in Crop Production R. W. F. Hardy, U. D. Havelka, Bruno Quebedeaux Crop ProductionBiosynthesisEngineeringBiochemistryAgricultural Economics	1978	11

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