1. The effects of drought and N on light interception, growth and yield of winter oilseed rape;Anderson;Acta Agric. Scand., Sect. B, Soil Plant Sci.,1996
2. Growth analysis of a tall fescue sward fertilized with different rates of nitrogen;Bélanger;Crop Sci.,1992
3. Fertilisation du blé tendre d'hiver:quels sont les effets de carences azotées sur le nombre de grains par m2;Bouchard;Perspect. Agric.,1998
4. Autumn and spring fertiliser nitrogen requirements for winter oilseed rape;Chalmers;Aspects Appl. Biol.,1989
5. Colnenne, C., 1999. Thèse de doctorat INA-PG (Fance).