Elena Valkama

Elena Valkama

Natural Resources Institute, Finland - Helsinki / Finland
Agriculture & Forestry / Agriculture
AD Scientific Index ID: 4982141
person_outline Elena Valkama's MOST POPULAR ARTICLES
1-) Hypertensive disorders and severe obstetric morbidity in the United States Obstetrics & Gynecology 113 (6), 1299-1306, 2009
2-) Meta-analysis of the effects of undersown catch crops on nitrogen leaching loss and grain yields in the Nordic countries Agriculture, Ecosystems & Environment 203, 93-101, 2015
3-) Effects of elevated O3, alone and in combination with elevated CO2, on tree leaf chemistry and insect herbivore performance: a meta‐analysis Global Change Biology 13 (1), 184-201, 2007
4-) Comparative analysis of leaf trichome structure and composition of epicuticular flavonoids in Finnish birch species Annals of Botany 91 (6), 643-655, 2003
5-) Phosphorus fertilization: A meta-analysis of 80 years of research in Finland Agriculture, ecosystems & environment 130 (3-4), 75-85, 2009