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ESTIMATION OF YIELD AND CHEMICAL COMPOSITION OF WINTER GARLIC GROWN FOR BUNCH-HARVEST

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Author(s): Ewa Rekowska | Katarzyna Skupień

Journal: Journal of Central European Agriculture
ISSN 1332-9049

Volume: 9;
Issue: 4;
Start page: 711;
Date: 2009;
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Keywords: winter garlic | covers | planting density

ABSTRACT
The aim of study carried out in 2004-2005 was evaluation of covers effect (perforated fi lm and polypropylene nonwoven) and disparate density of plants in the row (2. 4. 6. and 8 cm) on yield and chemical composition of winter garlic grown for bunch-harvest. On average. it was found that covering plants with polypropylene stimulated the yield by 19.8% in comparison to open fi eld cultivation. Further. the covers also affected the height of plants. number of leaves and the mean mass of bulbs. Regarding tested chemical components. it was found that signifi cantly higher dry weight. L-ascorbic acid and total chlorophyll content had garlic leaves grown without covers. Increase of plant density in the row from 8 to 2 cm caused signifi cant enhancement of yield. However. signifi cantly higher unit mass of all plant (including the mass of bulb) higher L-ascorbic and total sugar content showed garlic plants planted at 20×8 and 20×6 cm spacing.
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