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Nitrate uptake, nitrate reductase and proton release in legumes
Nitrogen form plays a key role in cation-anion relationships and hence in proton release by plant roots. Fan et al. (pp. 315-323) examine how nitrate supply affects its uptake, nitrate reductase activity (NRA) and net proton release in nodulated legumes. They show net proton release to be negatively correlated with nitrate uptake and NRA in shoots.
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