Items where Author is "Valkama, E."
Group by: Item Type | No Grouping Number of items: 1. Valkama, E. and Salo, T. and Esala, M. and Turtola, E. (2012) Nitrogen balances and yields of spring cereals as affected by nitrogen fertilization in northern conditions: A meta-analysis. Agriculture, Ecosystems & Environment, 164. pp. 1-13. |