The effect of the rates of nitrogen fertilizer on the content of some chemical components in burley tobacco.

Pelivanoska, Valentina and Trajkoski, Jordan (2003) The effect of the rates of nitrogen fertilizer on the content of some chemical components in burley tobacco. Tobacco, 53 (5-6). pp. 147-156. ISSN 0494-3244

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Official URL: http://www.tobaccobulletin.mk/

Abstract

Investigations were carried out during 2000, 2001 and 2002 in alluvial soil in tobacco produc-ing region of Ohrid and Struga, with the new Burley variety B 2/93, created in Tobacco Institute- Prilep. Subject of our investigations was the mineral nutrition with four rates of nitrogen (variant nourished with 55 kg N/ha and variants fertilized with 100, 150 and 200 kg N/ha), a constant rate of phosphorus and potassium (P2O5- 150 kg/ha, K2O - 120 kg/ha) and irrigation by regular watering at 15-20 day intervals. The humidity of soil during investigations was maintained at 50 70% of field capacity. According to the results, with the increased rates of nitrogen, the nicotine content increased from 1.73% to 2.30%. The content of proteins varied in a close range of 8.98% - 9.74% and soluble sugars were present in very low rates of 0,76 - 1.32%, typical for this tobacco. The increased rates of nitrogen did not have a great influence on the content of mineral matters, and their percentage in all investigated variants ranged about 20%.

Item Type: Article
Subjects: Scientific Fields (Frascati) > Agricultural Sciences > Agriculture, forestry and fisheries
Divisions: Scientific Tobacco Institute
Depositing User: Ms Biljana Jordanoska
Date Deposited: 03 Nov 2016 22:34
Last Modified: 03 Nov 2016 22:34
URI: http://eprints.uklo.edu.mk/id/eprint/422

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