Quantity and quality of potato yield as influenced by unbalanced and excessive fertilization - Markku Yli-Halla; Viikari, Esko; Palonen, Juha; Viikari, Esko; Palonen, Juha; Esko Viikari; Juha Palonen (Journal of agricultural science in Finland, 1987)
Keywords: peruna : lannoitus; peruna : sadon laatu