EFFECT OF DEPTH OF IRRIGATION WATER AND NITROGEN ON LINT YIELD AND LINT PROPERTIES* | ||
| The Iraqi Journal of Agricultural Science | ||
| Article 1, Volume 45, Issue 7, October 2014, Pages 692-699 | ||
| Authors | ||
| H. Kh. Saleh; M. A. Al-Naqeb; M. O. Ghadeer | ||
| Abstract | ||
| An experiment was conducted at the experiments field of department of Field Crop Sciences, College of Agriculture, University of Baghdad during two summer seasons 2010 and 2011 in order to increase water use efficiency when increasing of nitrogen fertilizer. Randomized complete block design under arrangement of split plot with four replications was used. Main factor was depth of irrigation water (959 mm.season-1 (control treatment) and 80% and 60% of the value of the comparison), and secondary factor was nitrogen (150, 200 and 250 kg N.h-1). 959 mm.season-1 was significantly superior in dry weight (94.57, 98.02) gm.plant-1, lint yield (994.4, 1243.90) kg.ha-1 and strength lint (19.51, 19.74) gm.tex-1 in both season, respectively, while ginning percentage was significantly at 2011 season only. Application of depth of irrigation didn’t significant effect in length and fineness lint. Result showed that application 250 kg N.ha-1 gave high value of dry weight (93.89, 97.01) gm.plant-1, lint yield (922.3, 1194.6) kg.ha-1, ginning percentage (37.50, 37.71)%, length lint (26.66, 27.08) mm and strength lint (19.54, 19.86) gm.tex-1 in both season, respectively. There was no significant effect in fineness lint. Interaction between 959 mm.season-1 with 250 kg N.ha-1 was significantly superior in lint yield (1282.9, 1033.1) kg.ha-1 in both season, respectively, while Interaction between 959 mm.season-1 with 200 kg N.ha-1 was significantly superior in ginning percentage at 2010 season only. There was no significant effect of Interaction between irrigation depth and nitrogen levels in dry matter, length lint, strength lint and fineness lint in both seasons. | ||
| Keywords | ||
| Irrigation; Macronutrient; lint yield; ginning percentage; strength lint | ||
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