Nitrate Absorption by Barley
Open Access
- 1 January 1976
- journal article
- Published by Oxford University Press (OUP) in Plant Physiology
- Vol. 57 (1), 55-58
- https://doi.org/10.1104/pp.57.1.55
Abstract
The absorption of NO3− by barley (Hordeum vulgare L.) was investigated by following the disappearance of NO3−. The absorption was related to several parameters: NO3− and Ca2+ concentrations, pH, and the presence of various anions. Absorption rate increased with increasing Ca2+ concentration, reaching a maximum at approximately 5 mm Ca2+, and was considerably inhibited by NH4+. Absorption was influenced markedly by pH, and little or not at all by anions (Cl−, Br−, SO42−), and was decreased by respiratory and oxidative phosphorylation inhibitors.Keywords
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