共 50 条
- [43] FERTILIZER NITROGEN VS LEGUME NITROGEN FOR CORN MISSISSIPPI AGRICULTURAL & FORESTRY EXPERIMENT STATION RESEARCH REPORT, 1986, 11 (24): : 1 - 4
- [44] Accumulation and Distribution of Fertilizer Nitrogen and Nodule-Fixed Nitrogen in Soybeans with Dual Root Systems AGRONOMY-BASEL, 2020, 10 (03):
- [47] FERTILIZER NITROGEN CONSUMPTION INDUSTRIAL AND ENGINEERING CHEMISTRY, 1945, 37 (03): : 289 - 295
- [48] NITROGEN IN FEED AND FERTILIZER JOURNAL OF THE ASSOCIATION OF OFFICIAL ANALYTICAL CHEMISTS, 1973, 56 (04): : 862 - 863
- [50] LIQUID-CHROMATOGRAPHIC DETERMINATION OF AMMONIACAL AND UREA NITROGEN IN FERTILIZER JOURNAL OF THE ASSOCIATION OF OFFICIAL ANALYTICAL CHEMISTS, 1984, 67 (06): : 1132 - 1134