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- [4] INCREASED USE OF NITROGEN-FERTILIZER AND PESTICIDES FOR WINTER-WHEAT BERICHTE UBER LANDWIRTSCHAFT, 1977, 55 (03): : 375 - 400
- [7] EFFECTS OF SPRING NITROGEN-FERTILIZER ON THE HAGBERG FALLING NUMBER OF GRAIN FROM BREADMAKING VARIETIES OF WINTER-WHEAT JOURNAL OF AGRICULTURAL SCIENCE, 1986, 107 : 475 - 477
- [8] RESPONSE OF SEMI-DWARF AND CONVENTIONAL WINTER-WHEAT VARIETIES TO APPLICATION OF NITROGEN-FERTILIZER JOURNAL OF AGRICULTURAL SCIENCE, 1978, 90 (JUN): : 543 - 550
- [10] FEASIBILITY OF PLANT ANALYSIS FOR NITROGEN-FERTILIZER RECOMMENDATIONS TO WINTER-WHEAT LANDWIRTSCHAFTLICHE FORSCHUNG, 1979, 32 (04): : 384 - 394