共 50 条
- [21] NITROGEN-SOURCE EVALUATION FOR POTATO PRODUCTION ON IRRIGATED SANDY SOILS AMERICAN POTATO JOURNAL, 1986, 63 (08): : 385 - 397
- [23] EVALUATION OF AMMONIUM-SULFATE AS A POTENTIAL NPN SOURCE FOR RUMINANTS AUSTRALIAN JOURNAL OF EXPERIMENTAL AGRICULTURE, 1976, 16 (83): : 838 - 844