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Cyclic variations in nitrogen uptake rate of soybean plants



Cyclic variations in nitrogen uptake rate of soybean plants



Plant Physiology 91(4): 1345-1350



N uptake by hydroponically grown non-nodulated soyabean Ransom seedlings was measured over 21 d vegetative growth. All N was supplied as NH4+ and net NH4+ uptake was measured daily by ion chromatography as depletion of NH4+ from a replenished nutrient solution containing 1.0 mM NH4+. The net rate of NH4+ uptake oscillated with a periodicity that was similar to the interval of leaf emergence.

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Accession: 001790930

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