共 46 条
- [7] UNTREATED AND FORMALDEHYDE-TREATED UREA AS NITROGEN-SOURCES FOR YOUNG GROWING BULLS JOURNAL OF THE SCIENTIFIC AGRICULTURAL SOCIETY OF FINLAND, 1982, 54 (01): : 53 - 62
- [8] COMPARISON OF UREA AND AMMONIUM-NITRATE AS NITROGEN-SOURCES FOR POTATOES AMERICAN POTATO JOURNAL, 1987, 64 (04): : 165 - 176