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- [2] FARM WASTE MANAGEMENT .2. ABOVE-GROUND SLURRY STORES AGRICULTURE IN NORTHERN IRELAND, 1980, 55 (01): : 24 - 29
- [4] STUDY OF VARIATIONS OF PROTEIN AND GLUCIDE COMPOSITION OF ABOVE-GROUND PORTION OF DACTYLIS (INFLUENCE OF NITROGEN FERTILIZERS .2. ANNALES AGRONOMIQUES, 1968, 19 (03): : 379 - &
- [5] EFFECTS OF SOWING DATE AND AUTUMN NITROGEN ON WINTER BARLEY .2. GRAIN QUALITY IRISH JOURNAL OF AGRICULTURAL RESEARCH, 1984, 23 (2-3): : 217 - 222
- [7] Quantifying below-ground nitrogen of legumes. 2. A comparison of 15N and non isotopic methods Plant and Soil, 2002, 239 : 277 - 289
- [10] COMPARISON OF SEVERAL NITROGEN FERTILIZERS APPLIED IN SURFACE IRRIGATION SYSTEMS .2. NITROGEN TRANSFORMATIONS FERTILIZER RESEARCH, 1985, 8 (01): : 49 - 65