Citation: B. Wallgren et B. Linden, EFFECTS OF CATCH CROPS AND PLOWING TIMES ON SOIL MINERAL NITROGEN, Swedish Journal of Agricultural Research, 24(2), 1994, pp. 67-75
Citation: B. Linden et B. Wallgren, NITROGEN MINERALIZATION AFTER LEYS PLOWED IN EARLY OR LATE AUTUMN, Swedish Journal of Agricultural Research, 23(2), 1993, pp. 77-89