Agricultural and Food Science - Selaus tekijän mukaan "Volden, Birger"

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    • Effects of traffic and fertilization levels on grass yields in northern Norway 

      Volden, Birger; Sveistrup, Tore E.; Jørgensen, Marit; Haraldsen, Trond K.
      Agricultural and Food Science in Finland : 3 (MTT Agrifood Research FinlandThe Scientific Agricultural Society of Finland, 2002)
      Experiments with various traffic regimes in grassland (no traffic, light and medium tractor with two mechanisation lines; forage harvester and two-step harvesting) and three fertilization levels (N 120, 180, 240 kg ha-1) ...