Diurnal Variation in the Nitrate Concentration of Beets1
Open Access
- 1 February 1973
- journal article
- Published by American Society for Horticultural Science in HortScience
- Vol. 8 (1) , 33-34
- https://doi.org/10.21273/hortsci.8.1.33b
Abstract
A pattern of diurnal fluctuation in the nitrate concentration of young field grown beets (Beta vulgaris L.) was established. Plants assayed every 4 hours over a 52-hour period in late May showed greater than 2-fold differences with maximum concentrations at 4 am and 8 am and minimum concentrations at 4 pm. Thus, adjustments in harvest time may help minimize nitrate levels in vegetables. Moreover, diurnal fluctuations should be taken into account when predicting the adequacy of soil nitrate levels by tissue analysis.Keywords
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