共 50 条
- [27] EFFECTS OF NITROGEN-FERTILIZER APPLIED TO SEED CROPS ON SEED YIELDS AND REGROWTH OF PROGENY TUBERS IN POTATOES JOURNAL OF AGRICULTURAL SCIENCE, 1986, 107 : 103 - 111
- [28] NITROGEN-FERTILIZER IN LEUCAENA ALLEY CROPPING .2. RESIDUAL VALUE OF NITROGEN-FERTILIZER AND LEUCAENA RESIDUES FERTILIZER RESEARCH, 1993, 34 (01): : 1 - 8
- [30] NITROGEN FERTILIZER EFFICIENCIES ON POTATOES AMERICAN POTATO JOURNAL, 1988, 65 (07): : 377 - 386