EFFECT OF FOLIAR NITROGEN AND NUMBER OF CUTTING ON GRAIN YIELD AND QUALITY OF BARLEY
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RCBD with split-plot arrangement was conduct with four replications. Addition of spraying nitrogen fertilizer (7500 mg N. I-1) was significant in plant height (108.70 and 111.12) cm, number of tillers (638.9 and 642.6) tiller.m-2, number of leaves per stem (7.79 and 7.73) leaf. Stem-1, flag leaf area (23.78 and 23.83) cm², green forage yield (16.12 and 17.58) ton.ha-1 and straw yield (7.91 and 8.22) t.ha-1, for both seasons, respectively, and percentage of protein in green forage (14.80)% during the first seasons only. Uncut treatment was superior in plant height (106.45 and 108.53) cm, number of tillers (612.3 and 622.7) tiller.m-2, number of leaves per stem (7.62 and 7.60) leaf. stem-1, flag leaf area (21.69 and 22.49) cm² and straw yield (7.03 and 7.73) t. ha-1 for both seasons, respectively, while cutting the crop twice caused significant increase in percentage of dry matter in forage (19.94 and 20.66)%, green forage yield (17.79 and 18.76) ton. ha-1, dry matter yield (3.56 , 3.92) ton. ha-1 and protein yield in green forage (0.51 and 0.56) ton. ha-1 for both seasons, respectively, and cutting the crop once caused significant increase in percentage of protein in green forage (14.42)% in the second season only. There was significant interaction between spraying nitrogen fertilizer levels and number of cutting that cased a significant increase in number of tillers for both seasons, respectively, and forage yield and in the first season only. Therefore, we recommend spraying nitrogen (7500 mg N. I-1) on barley with cutting the crop twice that gave high mean for forage yield and protein yield in green forage.
Keywords: Foliar, dry forage yield, protein yield.
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Copyright (c) 2022 Ahmed Ali Hussein (Author)
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