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EFFECT OF HERBICIDE AND NITROGEN FERTILIZER LEVELSON WEED AND WHEAT YIELD IN DIFFERENT SOWING DATES | ||
| Agriculture and Veternary Science | ||
| Article 9, Volume 20, Issue 1, 2018, Pages 73-86 PDF (946.1 K) | ||
| DOI: 10.26682/avuod.2017.20.1.10 | ||
| Authors | ||
| MOHAMMED ALI HUSSAIN1; ABBAS ALO KHETHER1; MOHAMMED OTHMAN MOHAMMED2 | ||
| 1Dept. of field crops, College of Agriculture University of Duhok, Kurdistan Region-Iraq | ||
| 2College of Sciences. University of Zakho, Kurdistan Region-Iraq | ||
| Abstract | ||
| A field experiment was carried out at the field of Agricultural College of Duhok University in Kurdistan Region, during the growing season 2016-2017 in two sowing dates (28/11 and 28/12/2016), to study the effect of four levels of herbicide((Topic: 0, 1200, 1600, 2000 ml. ha-1 and 2-4, D,: 0, 2000, 2400, 2800 ml ha-1 ) and four levels of nitrogen fertilizer added as urea 46% nitrogen (0, 60, 120, 180 kg ha-1) on growth of weeds and yield and yield components of bread wheat. The experiment were laid out as factorial experiment using in Randomized Complete Block Design with three replications. The result revealedthat the herbicide levels were more effective to kill the broad and narrow leaved weeds while, the nitrogen levels were significantly effect on yield and yield components of wheat. The interaction between H3N3 (2000 ml/ha-1 Topic + 2800 ml/ha-1 2-4, D with 180 kg ha-1) and first planting date gave the maximum yield and yield components (51.1seeds spike –I , 1.7 g Grain weight spike-1, 41.4g weight f 1000 grain and 397.1 g Grain yieldg m2), respectively. | ||
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