MTT Raportti - Jukuri

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Nitrogen fertilizer rates, N balances, and related risk of N leaching in Finnish agriculture

Salo, Tapio; Turtola, Eila; Virkajärvi, Perttu; Saarijärvi, Kirsi; Kuisma, Paavo; Tuomisto, Jussi; Muurinen, Susanna; Turakainen, Marja
MTT Raportti : 102 (2013)

Crop yield responses to nitrogen (N) fertilizers and associated changes in field N balances were gathered from fertilizer trials by MTT Agrifood Research Finland, Potato Research Institute and Sugar Beet Research Center, ...
Regional P stocks in soil and in animal manure as compared to P requirement of plants in Finland : Baltic Forum for Innovative Technologies for Sustainable Manure Management. WP4 Standardisation of manure types with focus on phosphorus

Ylivainio, Kari; Sarvi, Minna; Lemola, Riitta; Uusitalo, Risto; Turtola, Eila
MTT Report : 124 (2014)

Phosphorus (P) is an essential plant nutrient and sufficient availability is sustained by soil reserves and fertilization. On the other hand, P leaching from agricultural fields causes eutrophication of the surface waters. ...