University of Khartoum

Effect of Nitrogen Fertilization and Seed Rate on the Performance of Two Fodder Sorghum(Sorghum bicolor L. Moench) Cultivars

Effect of Nitrogen Fertilization and Seed Rate on the Performance of Two Fodder Sorghum(Sorghum bicolor L. Moench) Cultivars

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Title: Effect of Nitrogen Fertilization and Seed Rate on the Performance of Two Fodder Sorghum(Sorghum bicolor L. Moench) Cultivars
Author: Ali, Fadwa Adam Mohammed
Abstract: A field experiment was conducted during May-July, 2016 at the Demonstration Farm of the Faculty of Agriculture, University of Khartoum, Shambat, to study the effect of seed rate and nitrogen fertilization on the performance of two forage sorghum (Sorghum bicolor L. Moench) cultivars. Two sorghum cultivars, AbuSabien (V1) and Mabrouk (V2) were used in the experiment. Cultivars were sown with different seed rates: 20 kg/fed (S1), 30 kg/fed (S2) and 40 kg/fed (S3). Nitrogen levels used were, control (0N) and 80kg N /ha (2N). The experiment was conducted using a split- split plot design with four replications. The main plots, sub-plots and sub-sub plots were assigned for nitrogen, seed rate and cultivars, respectively. Data were collected on plant height, number of leaves per plant, stem diameter, leaf area, and leaf area index, leaf to stem ratio, plant population, forage fresh and dry yield, crude protein and crude fiber content. Nitrogen fertilization had no significant effect on all attributes expect for plant height, leaf area index and fresh yield. Seed rate had no significant effect on all attributes except for leaf area index, leaf to stem ratio and plant population. Cultivars significantly (p≤0.05) differed in all attributes except for number of leaves per plant, fresh and dry weight, crude protein and crude fiber contents. The hybrid mabrouk gave higher, but not significant increase in forage fresh and dry yield. It’s recommended to carry out more experiments to compare the two cultivars in terms of the 2nd and 3rd cuts.
URI: http://khartoumspace.uofk.edu/123456789/26719


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