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- [6] Effects of grassland renovation on herbage yields and nitrogen losses CONTROLLING NITROGEN FLOWS AND LOSSES, 2004, : 554 - 556
- [7] SOME EFFECTS OF LIME, NITROGEN AND SOLUBLE AND INSOLUBLE PHOSPHATE ON THE YIELD AND MINERAL-COMPOSITION OF ESTABLISHED GRASSLAND JOURNAL OF AGRICULTURAL SCIENCE, 1984, 102 (FEB): : 219 - 226
- [10] EFFECTS OF USE AND MINERAL SUPPLY ON THE BOTANICAL COMPOSITION AND YIELD OF OLD GRASSLAND ON HEAVY-CLAY SOIL NETHERLANDS JOURNAL OF AGRICULTURAL SCIENCE, 1983, 31 (01): : 63 - 88