Grain quality and N uptake of spring cereals as affected by nitrogen fertilization in northern conditions: a meta-analysis

by Elena Valkama, Tapio Salo, Martti Esala, Eila Turtola
Published 2013-06-01

Phosphorus and Nitrogen Yield Response Models for Dynamic Bio-Economic Optimization: An Empirical Approach

by Matti Sihvonen, Kari Hyytiäinen, Elena Valkama, Eila Turtola
Published 2018-03-01

Nitrogen Fertilization of Grass Leys: Yield Production and Risk of Nitrogen Leaching

by Elena Valkama, Katri Rankinen, Perttu Virkajärvi, Tapio Salo, Petri Kapuinen, Eila Turtola
Published 2019-04-01

Crushed bark as a novel soil conditioner for organic plant production

by Päivi Kurki, Elina Nurmi, Iina Haikarainen, Riitta Savikurki, Janne Kaseva, Kaija Hakala, Elena Valkama
Published 2021-06-01