The effect of magnesium fertilizing on spring cereal and cultivated ley yield and on soil nutrient contents at two potassium and nitrogen fertilizer levels - Jokinen, Raili (Agricultural Research Centre, 1978)
Sarja Maa ja lannoitus n:o 89
Keywords: Ka; sato; kevätviljat; nurmet; ravinteet; kaliumlannoitus; typpilannoitus; lannoitus; magnesiumlannoitus