Effect of nitrogen fertilization on glycoalkaloid and nitrate content of potatoes

The effect of nitrogen fertilization on the total glycoalkaloid (TGA) and nitrate content of potato tubers was investigated on six cultivars in each of two consecutive years. Ammonium nitrate was applied to the soil at rates of 56, 168, and 224 kg/ha during the first year and 112, 168, and 224 kg/ha...

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Bibliographic Details
Published in:Journal of agricultural and food chemistry 1990-02, Vol.38 (2), p.565-567
Main Authors: Mondy, Nell I, Munshi, Cyrus B
Format: Article
Language:English
Subjects:
ABONOS NITROGENADOS
AZOTE
CRECIMIENTO
CROISSANCE
ENGRAIS AZOTE
GLICOALCALOIDES
GLYCOALCALOIDE
NEW YORK
NITRATE
NITRATOS
NITROGENO
NUEVA YORK
SOLANUM TUBEROSUM
TUBERCULE
TUBERCULO
VARIEDADES
VARIETE
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Summary:The effect of nitrogen fertilization on the total glycoalkaloid (TGA) and nitrate content of potato tubers was investigated on six cultivars in each of two consecutive years. Ammonium nitrate was applied to the soil at rates of 56, 168, and 224 kg/ha during the first year and 112, 168, and 224 kg/ha during the second year of the study. Significant increases in both TGA and nitrate nitrogen occurred in all six cultivars with nitrogen fertilization. Nitrogen fertilization at the rate of 224 kg/ha resulted in tubers containing the highest levels of both TGA and nitrate nitrogen
ISSN:0021-8561
1520-5118
DOI:10.1021/jf00092a050