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The Effect of Nitrogen Fertilizing Levels and Varieties in Some Growth and Yield Characters for sorghum Crop | ||
| Journal of Tikrit University For Agriculture Sciences | ||
| Article 1, Volume 12, Issue 1, 2012, Pages 71-79 | ||
| Author | ||
| Anas Ibrahim Hasan | ||
| Abstract | ||
| Abstract : Field Experience was applicated during Autumn 2010 in Al-Dhabitia district which belongs to Al-Qarma side /Al-Anbar governorate to know the response growth and yield of four cultivars of sorghum ( Argins, Cafeer, Inqath and Rabih ) for five levels of nitrogen fertilizer ( 0,80,160,240,320) kg N.h-1 in the form of urea fertilizer (46% N).by using in split-plot system according to randomized complete block design (R.C.B.D) with three replicate, The results of study were as following:Found significant differences among cultivars for all characters if it is given Cafeer cultivar more mean to plant's highness(173.24cm) whereas Argins minimum means for this character (93.47cm) whereas Inqath cultivar in characters ( number of leaves/plant, number of grains in the head, weight 1000 grains and the yield of grains in the area) so it is given highest means for it ( 11.80 leaf ,4171.27 , 32.16 gm and 10.34 ton.h-1) for these characters in respectively.Whereas. Argins gave minimum means in number leaves/plant (8.99), number of grains in the head(2218.32) and the yield of grains in the area( 5.75 ton.h-1 ) and the minimum weight of 1000 grain for Cafeer (25.43 gm).Nitrogen fertilizer effected significantly on the characters of (plant's highness, number of grains in the head, weight of 1000 grains and the yield of grains in the area) which gave 320kg N.h-1 higher mean of these characters and the yield of grains (142.07cm ,3418.84 ,29.33 gm ,8.89 ton.h-1) for these characters in respectively. Whereas. Comparison treatment minimum mean for these characters(119.87 cm ,2899.59 , 27.00gm ,7.22 ton.h-1) for the some characters in respectively. Whereas Adding fertilizer didn't affect significantly in the number of leaves in plant .There was a significant interaction between cultivars and levels of nitrogen fertilizer for all studied characters, if it is given Cafeer cultivar in level 320kg N.h-1 highest mean for plant(185.33cm) whereas Argins gave wich isn’t fertilized with nitrogen minimum mean for this charcter (78.93cm) .Inqath cultivar was given which is the fertilized with high level of nitrogen (320kg N.h-1 ) highest mean in the number of leaves in plant , number of grains in the head ,weights 1000 grain and the yield of grains in the area which gave (12.13 , 4510.01 , 33.77 gm and 12.36 ton.h-1) in respectively. Whereas. Argins gave in the comparison treatment minimum mean in the number of leaves in the plant , number of grains in the head and the yield of grains in the area ( 8.73 , 2138.22 , 5.37 which gave ton.h-1) in respectively. which was minimum mean in the weight of 1000 grain for interaction in the Cafeer in the state of without fertilizing with nitrogen (23.50 gm ). We can conclude from this study that Inqath cultivar has more competence in exploitation of nitrogen and the other growth agents and achieved high range for all of characters in the level 320kg N.h-1. | ||
| Keywords | ||
| nitrogen; Sorghum; Crop | ||
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