Nitrogen fertilization of grass leys: Yield production and risk of N leaching - Valkama, Elena; Rankinen, Katri; Virkajärvi, Perttu; Salo, Tapio; Kapuinen, Petri; Turtola, Eila (Elsevier Science, 2016)
Keywords: nitrogen balance; nitrogen leaching; meta-analysis; COUP model; yields; grasses