ЕFFECT OF ORGANIC AMENDMENTS ON CHEMICAL COMPOSITION AND QUALITY OF ORIENTAL TOBACCO
Violina R. Angelova, Penka A. Zaprjanova, Venelina T. Popova, Krasimir I. Ivanov
Pagini: 213-223
Publicat: 1 Jan 2013
Vizualizări: 245
Descărcări: 17
Rezumat: There has been carried out a comparative research on the impact of organic soil amendments (peat, compost and vermicompst) on the chemical composition and quality of Oriental tobacco. Incorporation of organic amendments in the soil affect plant height and number of leaves formed. Addition of vermicompost and peat to the soil leads to an increase in the size of the leaves and to a lowering of the quality of the tobacco. The application of the compost is resulting in a slight increase in the size of the leaves and does not impair the quality of the tobacco. Application of the organic amendments leads to increased content of potassium, calcium and magnesium in the leaves of tobacco and therefore may favorably affect burning properties of tobacco. Organic amendments affect the indicators defining the quality of tobacco (ash content, protein and reducing sugars). The introduction of organic amendments to soil resulting in increased mineral substances (pure ash) and quantity of proteins, and reduces the amount of reducing sugars in tobacco leaves in relation to the control. Addition of compost and peat to the soil does not impair the quality of the tobacco compared to the control. The addition of 7.5% and 10% of vermicompost to the soil, however, leads to decrease the quality of tobacco (Schmuk below 0.5).
Cuvinte cheie: organic amendments, oriental tobacco, quality, chemical composition
Citează acest articol: Violina R. Angelova, Penka A. Zaprjanova, Venelina T. Popova, Krasimir I. Ivanov. ЕFFECT OF ORGANIC AMENDMENTS ON CHEMICAL COMPOSITION AND QUALITY OF ORIENTAL TOBACCO. Journal of International Scientific Publications: Agriculture & Food 1, 213-223 (2013). https://www.scientific-publications.net/en/article/1002917/
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