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Effect of differentiated nitrogen fertilization on the content of certain compounds in white cabbage during long-term storage

Stanisław Rożek, Renata Wojciechowska, Maria Leja

Department of Plant Physiology
Faculty of Horticulture, Agricultural University
29 Listopada 54, 31-425 Kraków, Poland

The results of a two-year experiment with cabbage of Lennox cultivar are presented. They concern the effect of different forms of nitrogen fertilizers and different methods of their application on certain nutritional compounds during long-term storage of the heads in a conventional cold chamber. Both the form of fertilizer and the application method affected the changes of ascorbic acid, total phenol, and thiocyanate content. Worthy of note seems to be an increase in ascorbic acid level observed in stored cabbage treated with ammonium nitrate by the broadcast technique, as well as in the case of broadcast and placement fertilization with urea. The decrease in soluble sugar content found in stored cabbage did not depend either on the nitrogen fertilizer form or on the method of its application during growth.

Rożek S., Wojciechowska R., Leja M., 2000. Effect of differentiated nitrogen fertilization on the content of certain compounds in white cabbage during long-term storage. Folia Horticulturae 12/1: 55-64.