Elena Valkama - Concepedia

Author

Elena Valkama

Natural Resources Institute Finland ORCID

Also Known As

E. VALKAMA, E. Valkama, ELENA VALKAMA, Elena Valkama, Martin, Jennifer, Valkama Elena, Valkama, E., Valkama, Elena

Publications

Citations

H-Index

Concepts

All Affiliations

Natural Resources Institute Finland University of Turku Agrifood Research Finland University of Milan Tieto (Finland)

About

Elena Valkama is an author at Natural Resources Institute Finland specializing in agricultural economics, engineering, and biogeochemistry.

Top Concepts

#	Concept	H-Index	Publications	Citations
1	Engineering	12	12	645
2	Public Health	7	7	508
3	Medicine	2	2	170
4	Natural Sciences	1	1	77
5	Biology	1	1	48

Elena Valkama

Publications

1.7K

Citations

H-Index

Page 1

	Year	Citations
Meta-analysis of the effects of undersown catch crops on nitrogen leaching loss and grain yields in the Nordic countries Elena Valkama, Riitta Lemola, Hannu Känkänen, Agriculture Ecosystems & Environment Nitrogen Leaching LossSustainable AgricultureNatural Resource ManagementAgricultural EconomicsCrop Yield	2015	210
Effects of elevated O<sub>3</sub>, alone and in combination with elevated CO<sub>2</sub>, on tree leaf chemistry and insect herbivore performance: a meta‐analysis Elena Valkama, Julia Koricheva, Elina Oksanen Global Change Biology Elevated OzoneO 3Plant-insect InteractionEntomologyInsect Herbivore Performance	2006	181
Changes in Leaf Trichomes and Epicuticular Flavonoids during Leaf Development in Three Birch Taxa Elena Valkama Annals of Botany	2004	135
Comparative Analysis of Leaf Trichome Structure and Composition of Epicuticular Flavonoids in Finnish Birch Species Elena Valkama Annals of Botany	2003	118
Phosphorus fertilization: A meta-analysis of 80 years of research in Finland Elena Valkama, Risto Uusitalo, Kari Ylivainio, Agriculture Ecosystems & Environment InfertilityFertilityAgricultural EconomicsGynecologyNutrient Cycle	2009	118
Can conservation agriculture increase soil carbon sequestration? A modelling approach Elena Valkama, Gulya Kunypiyaeva, Rauan Zhapayev, Geoderma Carbon SequestrationEngineeringSoil Carbon CycleLand UseCarbon Farming	2020	117
The combined effects of enhanced UV-B radiation and selenium on growth, chlorophyll fluorescence and ultrastructure in strawberry (Fragaria × ananassa) and barley (Hordeum vulgare) treated in the field Elena Valkama, Minna Kivimäenpää, Helinä Hartikainen, Agricultural and Forest Meteorology EngineeringHordeum VulgareBotanyCrop ProtectionAgricultural Economics	2003	103
Cropland soils in China have a large potential for carbon sequestration based on literature survey Fulu Tao, Taru Palosuo, Elena Valkama, Soil and Tillage Research Carbon SequestrationPrecision AgricultureEngineeringSoil Carbon CycleLand Use	2018	97
Leaf surface traits: overlooked determinants of birch resistance to herbivores and foliar micro-fungi? Elena Valkama, Julia Koricheva, Juha‐Pekka Salminen, Trees Leaf Surface TraitsBirch ResistanceBotanyPlant-parasite CoevolutionNatural Sciences	2004	77
New pedotransfer approaches to predict soil bulk density using WoSIS soil data and environmental covariates in Mediterranean agro-ecosystems Calogero Schillaci, Alessia Perego, Elena Valkama, The Science of The Total Environment Soil PropertyBiogeochemistryPrecision AgricultureEnvironmental MonitoringSoil Bulk Density	2021	76

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